[Solved paper] Offset Printing Machine Operator Grade II Kerala PSC Previous Question Paper|Offset Printing Machine Operator Grade II Kerala PSC Question paper 269/2023

PROVISIONAL ANSWER KEY - Offset Printing Machine Operator Grade II Kerala PSC  269/2023

Question Paper Code: 2/2024/OL

Category Code: 269/2023

Exam: Offset Printing Machine Operator Grade II

Date of Test 09-01-2024

Department Printing

Question1:-Name an electronic device that measures colour densities of an original,

stores it as a digital information for creating further action by manipulating or

altering that data

        A:-Densitometer

        B:-Printer

        C:-Scanner

        D:-Colourimeter

        Correct Answer:- Option-C

Question2:-A type of colourant that dissolves in liquid

        A:-dye

        B:-vehicle

        C:-hue

        D:-process colour

        Correct Answer:- Option-A

Question3:-Colourant of subtractive primaries can be mixed together in equal

proportions to form

        A:-Black

        B:-RGB

        C:-CMYK

        D:-Fake colour

        Correct Answer:- Option-B

Question4:-Cyan + Magenta + Yellow

        A:-Black

        B:-Green

        C:-White

        D:-Blue

        Correct Answer:- Option-A

Question5:-The process by which a scanner monitor or output device is adjusted to

provide a mose acurate display and reproduction of images

        A:-Scanning

        B:-Colour seperates

        C:-Colour mixing

        D:-Calibration

        Correct Answer:- Option-D

Question6:-Chester carlson invested ______ printing process.

        A:-Relief

        B:-Lithography

        C:-Xerography

        D:-Screen

        Correct Answer:- Option-C

Question7:-Identify the term which is most related to print production work flow

        A:-Land marking

        B:-Perfecting

        C:-Moire

        D:-Logistics

        Correct Answer:- Option-D

Question8:-________ is a basic requirement for the print media

        A:-Money

        B:-Literacy

        C:-Packing

        D:-Transport

        Correct Answer:- Option-B

Question9:-The first movable type of printing system in Europe was introduced by

        A:-Ira Rubel

        B:-Allois senefelder

        C:-Johann Gutenberg

        D:-Tsai Lun

        Correct Answer:- Option-C

Question10:-_______ is a measuring device for paper, plate and packing material

thickness.

        A:-Nanometer

        B:-pH meter

        C:-Micrometer

        D:-Spectrophotometer

        Correct Answer:- Option-C

Question11:-When startarget fills is at the center portion indicates

        A:-Dot gain

        B:-Milling of ink

        C:-Blackening

        D:-Ghosting

        Correct Answer:- Option-A

Question12:-Name the tool used to view dots is a photograph

        A:-Microscope

        B:-Linentester

        C:-Densitometer

        D:-UCR

        Correct Answer:- Option-B

Question13:-What is NIP?

        A:-Non Image Printing

        B:-Narrow Image Print

        C:-Non Image Plate

        D:-Non Impact Printing

        Correct Answer:- Option-D

Question14:-_____ is the process of dividing colours of a multicolour original into

subtractive or printing primaries (CMY)

        A:-Colour seperaties

        B:-Process colour

        C:-Scanning

        D:-Colour mixing

        Correct Answer:- Option-A

Question15:-Reverse of Relief printing process is _______

        A:-Xerography

        B:-Intaglio printing

        C:-Screen printing

        D:-Offset

        Correct Answer:- Option-B

Question16:-Two sections of Central Processing Unit of a computer are

        A:-Mother board and Microprocessor unit

        B:-Mother board and SMPS unit

        C:-Microprocessor unit and hard disc

        D:-ALU and Control Unit

        Correct Answer:- Option-D

Question17:-Types of the computer network are

        A:-LAN, WAN, MAN

        B:-WAN, CAN, LAN

        C:-VAN, LAN, MAN

        D:-VAN, LAN, CAN

        Correct Answer:- Option-A

Question18:-HTML means

        A:-Hyper Text Makeup Language

        B:-Higher Type Markup Link

        C:-Hyper Text Markup Language

        D:-Hyper Type Markup Link

        Correct Answer:- Option-C

Question19:-Type style without serif is called

        A:-Sans serif

        B:-Non serif

        C:-Serif less

        D:-Syan serif

        Correct Answer:- Option-A

Question20:-In type point system, one inch =

        A:-12 picas

        B:-6 picas

        C:-6 points

        D:-1/72 points

        Correct Answer:- Option-B

Question21:-Full form of Microsoft developed document file format RTF is

        A:-Raster Tiff Format

        B:-Raster Text Format

        C:-Rich Text Format

        D:-Readable Tiff Format

        Correct Answer:- Option-C

Question22:-The technique of changing a black and white, continuous tone image

into a multi colour reproduction is called

        A:-Posterization

        B:-Duetone

        C:-Colorization

        D:-Dualtone

        Correct Answer:- Option-A

Question23:-In a book, the page containing list of books or sources which the

author consulted for writing the book is called

        A:-Glossary

        B:-Appendix

        C:-Index

        D:-Bibliography

        Correct Answer:- Option-D

Question24:-Transfer of business functions to an service provider inside or outside

the country is known as

        A:-BFT

        B:-TBF

        C:-BPO

        D:-BFO

        Correct Answer:- Option-C

Question25:-A paper sheet folded to Octavo size, it produce

        A:-4 pages

        B:-8 pages

        C:-12 pages

        D:-16 pages

        Correct Answer:- Option-D

Question26:-A printing method in which one plate is used for printing both sides of

a sheet without changing the gripper edge

        A:-Sheet wise imposition

        B:-Work-and-turn

        C:-Work-and-Tumble

        D:-Signature imposition

        Correct Answer:- Option-B

Question27:-Full form of PDF

        A:-Printable Document Format

        B:-Printable Document File

        C:-Portable Document Format

        D:-Portable Document File

        Correct Answer:- Option-C

Question28:-Roughening process performed for a uniform layer of photo emulsion

will adhere onto the plate, is called

        A:-Roughening

        B:-Graining

        C:-Filing

        D:-Pursing

        Correct Answer:- Option-B

Question29:-A simple plate exposure system consists of a vacuum frame and high

intensity light source is called

        A:-Light Table

        B:-Wirler

        C:-Lining up table

        D:-Printing down frame

        Correct Answer:- Option-D

Question30:-Plate problem causes by under exposure for negative plate is

        A:-Dot loss

        B:-Scumming

        C:-Dot gain

        D:-Blinding

        Correct Answer:- Option-A

Question31:-Printing plate preparation process in which a digital image is

transmitted directly from a computer to a conventional plate is called

        A:-CTP

        B:-DTP

        C:-RIP

        D:-CTCP

        Correct Answer:- Option-D

Question32:-In typography, the vertical distance between one base line and next

base line measured in points unit is called

        A:-Tracking

        B:-Kerning

        C:-Leading

        D:-Word spacing

        Correct Answer:- Option-C

Question33:-Alteration of a colour created by adding white to the colour

        A:-Tint

        B:-Gradient

        C:-Shade

        D:-White balanceing

        Correct Answer:- Option-A

Question34:-Image created in illustration programmes which includes straight and

curved lines are called

        A:-Raster image

        B:-Vector images

        C:-Pixel images

        D:-JPEG images

        Correct Answer:- Option-B

Question35:-Half tone screens are measured in

        A:-dpi

        B:-ppi

        C:-Pixels

        D:-Ipi

        Correct Answer:- Option-D

Question36:-A device used to bond a new roll to the end of an existing web on web

offset press

        A:-Perfector

        B:-Gathering

        C:-Former

        D:-Splicer

        Correct Answer:- Option-D

Question37:-Problem that occurs when ink pigment particles bleed into the

dampening solution

        A:-Scum

        B:-Ghosting

        C:-Tinting

        D:-Mottle

        Correct Answer:- Option-C

Question38:-Printing system that prints both sides of the substrate

        A:-Perforator

        B:-Paster

        C:-Common Impression

        D:-Perfector

        Correct Answer:- Option-D

Question39:-Which is used as cover of a dampening roller that helps to retain

fountain solution?

        A:-Engraving

        B:-Silicon coating

        C:-Film

        D:-Molleton cover

        Correct Answer:- Option-D

Question40:-The resolution of gravure is _______ or more lines per inch.

        A:-150

        B:-100

        C:-20

        D:-110

        Correct Answer:- Option-A

Question41:-The time taken by the doctor roller to contact and receive dampening

solution from the fountain

        A:-Buffer period

        B:-Wetting period

        C:-Dwell period

        D:-Intermittent

        Correct Answer:- Option-C

Question42:-A gear which has its teeth cut at an angle to the axis of shaft

        A:-Helical gear

        B:-Spur gear

        C:-Bevel gear

        D:-Ball and Sprocket

        Correct Answer:- Option-A

Question43:-Faint images that are part of paper which are visible from both sides of

paper

        A:-Security thread

        B:-Watermark

        C:-Number

        D:-Security ink

        Correct Answer:- Option-B

Question44:-The basis weight of 60 gsm paper with basic size as double demy is

51.6 kg, then its M-weight is

        A:-206.4 kg

        B:-103.2 kg

        C:-25.8 kg

        D:-12.9 kg

        Correct Answer:- Option-B

Question45:-The principle of half tone block printing was invented by

        A:-Henry Cornelli

        B:-Alois senefelder

        C:-William Henry Fox Tabolt

        D:-Fredric Eugene Ives

        Correct Answer:- Option-C

Question46:-Vertical Blanket-to-Blanket presses are

        A:-CIC presses

        B:-Stack presses

        C:-Inline presses

        D:-Duplicators

        Correct Answer:- Option-B

Question47:-Flexography was originally known as

        A:-Inline

        B:-Anilox

        C:-Doctoring

        D:-Aniline

        Correct Answer:- Option-D

Question48:-Crease formation in paper is due to

A. wrong climatic conditions

B. incorrect machine settings

C. Electrostatic charge in paper

D. Slow ink drying

Choose correct answer

        A:-Only A is correct

        B:-Only A and B are correct

        C:-A, B, C and D are correct

        D:-Only B and C are correct

        Correct Answer:- Option-B

Question49:-Pigments which are used to allow the background material or ink to be

seen

        A:-Black pigment

        B:-Opaque pigment

        C:-White pigment

        D:-Grey pigment

        Correct Answer:- Option-C

Question50:-Rollers that actually ink the plate during printing

        A:-Forme rollers

        B:-Fountain roller

        C:-Ductor rollers

        D:-Distribution roller

        Correct Answer:- Option-A

Question51:-Calculate paper required in reams for 2000 notebooks of 200 pages,

book size is foolscap quarto

        A:-96

        B:-12

        C:-48

        D:-48000

        Correct Answer:- Option-A

Question52:-A web printing which uses the gravure process for long run jobs

        A:-Common impression

        B:-Embossing

        C:-Rotogravure

        D:-Satellite gravure

        Correct Answer:- Option-C

Question53:-Method used to print on the non-porous substrate such as milk cover,

candy wraps etc.

        A:-Letterpress

        B:-Flexography

        C:-Offset printing

        D:-Screen printing

        Correct Answer:- Option-B

Question54:-Which of the following is a non-impact printing?

        A:-Ink-jet printing

        B:-Letterpress

        C:-Flexography

        D:-Gravure

        Correct Answer:- Option-A

Question55:-The difference between the radius of the cylinder's bearer and the

radius of the cylinder themselves

        A:-Gutter

        B:-Cylinder gap

        C:-Under cut

        D:-Depression gap

        Correct Answer:- Option-C

Question56:-The type of blankets used in high speed machine for printing on

boards, coated papers etc,

        A:-Sandwich Blanket

        B:-Soft Blanket

        C:-Medium Blanket

        D:-Hard Blanket

        Correct Answer:- Option-D

Question57:-The covering ability of an ink

        A:-Opacity

        B:-Viscosity

        C:-Tack

        D:-Hue

        Correct Answer:- Option-A

Question58:-Ingredient that is added to dampening solution to lower its surface

tension

        A:-Anti-foaming agent

        B:-Wetting agent

        C:-Corrosive agent

        D:-Foaming agent

        Correct Answer:- Option-B

Question59:-The number of threads per linear inch in a fabric is

        A:-Mono filament

        B:-Screen count

        C:-Mesh count

        D:-Stencil count

        Correct Answer:- Option-C

Question60:-Paper storage device that unwinds paper to keep the press running at

the same speed

        A:-Detector

        B:-Splicer

        C:-Roll stand

        D:-Festoon

        Correct Answer:- Option-D

Question61:-The inks used in flexography which is not toxic

        A:-Water based inks

        B:-Alcohol based inks

        C:-Polyamide inks

        D:-VOC

        Correct Answer:- Option-A

Question62:-An unwanted accumulation of half tone dots that results in a smeared

image

        A:-Slur

        B:-Moire

        C:-Mottle

        D:-Hickies

        Correct Answer:- Option-A

Question63:-How much paper in 61 × 88 cm will be required for printing of 5000

booklets in A4 size having 48 pages?

        A:-60 reams

        B:-24 reams

        C:-30 reams

        D:-15 reams

        Correct Answer:- Option-C

Question64:-A chemical change in the body of an ink that occurs during storage

        A:-Set-off

        B:-Chalking

        C:-Brayer

        D:-Livering

        Correct Answer:- Option-D

Question65:-Test used to check for proper ink mixing

        A:-TAPPI 7498

        B:-Drawdown Test

        C:-Proficiency Test

        D:-Tensile Strength Test

        Correct Answer:- Option-B

Question66:-Roller which moves up and down as the web offset press runs

        A:-Oscillator roller

        B:-Ductor roller

        C:-Dandy roller

        D:-Dancing roller

        Correct Answer:- Option-D

Question67:-The gap between the bearer and the cylinder body

        A:-Clamp

        B:-Shrink

        C:-Gutter

        D:-Undercut

        Correct Answer:- Option-C

Question68:-The device used to measure the thickness of blanket

        A:-Densitometer

        B:-Ammeter

        C:-Detector

        D:-Shore durometer

        Correct Answer:- Option-D

Question69:-Which type of feeding system is usually seen in High Speed, large

offset presses?

        A:-Pull type

        B:-Push type

        C:-Drag type

        D:-Gravity type

        Correct Answer:- Option-A

Question70:-Popular method of screen printing multicolour images on 7-shirts

        A:-Multi filament

        B:-Carousal units

        C:-Tusche and glue

        D:-Hand - cut

        Correct Answer:- Option-B

Question71:-Which of the following is not included in premake ready checks?

        A:-Examine the inking rollers for glaze

        B:-Examine the blankets for defects

        C:-Image file size and resolution

        D:-Check the pH of the fountain solution

        Correct Answer:- Option-C

Question72:-______ allows the pressman the facility of changing the cylinder

diameter when the printed image size must be changed.

        A:-Blanket washing

        B:-Plate packing

        C:-Printing unit setup

        D:-The surface pores of the rubber

        Correct Answer:- Option-B

Question73:-Before starting a printing job, we should check the information given in

the

        A:-Job ticket

        B:-Physical properties of paper

        C:-Paper calculation

        D:-Technical application

        Correct Answer:- Option-A

Question74:-Correct press lubrication ________ wear on all moving parts and

lengthens press life.

        A:-Increases

        B:-Creases

        C:-Preparing

        D:-Reduces

        Correct Answer:- Option-D

Question75:-Which process remove any statistic electricity that might be holding

individual sheets together

        A:-Electron beam

        B:-Fanning

        C:-Air blast

        D:-Setting the gripper bite control

        Correct Answer:- Option-B

Question76:-Small particles are torn out of the surface of the paper during the

printing process is known as _______.

        A:-Chalking

        B:-Blinding

        C:-Picking

        D:-Hickies

        Correct Answer:- Option-C

Question77:-Which of the following is not a printing problem?

        A:-Glazing

        B:-Ghosting

        C:-Mottling

        D:-Slurring

        Correct Answer:- Option-A

Question78:-Fine caused by electrical equipments such as motors, switches etc

comming under which type of fires?

        A:-Class A

        B:-Class B

        C:-Class C

        D:-Class D

        Correct Answer:- Option-C

Question79:-Class A fire extinguishers type contains

        A:-Carbon dioxide gas under pressure

        B:-Bi carbonate of soda solution and sulphuric acid

        C:-Solution of aluminium sulfate and bicarbonate of soda

        D:-Dry chemical, granular type material

        Correct Answer:- Option-B

Question80:-The defect take place in the blanket due to the use of unsuitable

chemicals is called

        A:-Emulsification

        B:-Glazing

        C:-Paper sticking

        D:-Swelling

        Correct Answer:- Option-D

Question81:-Which fold is made at right angle to the preceding fold by changing the

direction of the sheet 90° before the second fold is made?

        A:-Accordion

        B:-Parallel

        C:-Right - angle

        D:-Left - angle

        Correct Answer:- Option-C

Question82:-The false feature about the made end paper is

        A:-The made end paper has two fly leaves and one made end leaf

        B:-Three folded sheets or six open sheets are used to prepare one made end

paper

        C:-The fourth end sheet is tipping sheet

        D:-This end paper is very simple and used in paper back cover books

        Correct Answer:- Option-D

Question83:-A method in which metal wire is forced through the folded edges of a

signature and formed into staples to hold the pages together is called

        A:-Saddle stitching

        B:-Side stitching

        C:-Wire rolling

        D:-Wire sewing

        Correct Answer:- Option-A

Question84:-Which folding machine produces right-angle fold in heavier weight

papers?

        A:-Knife folder

        B:-Buckle folder

        C:-Form folder

        D:-Nose folder

        Correct Answer:- Option-A

Question85:-What is known Quarter Bound book?

        A:-When the book is covered with only one material which extends over the

whole book

        B:-When the spine and corners of the book covered with one material and the

sides with another material

        C:-Trimming the folded and sewn sheets after putting the suitable paper board

cover

        D:-When the spine of the book is covered with one material and side is with

another material

        Correct Answer:- Option-D

Question86:-Method of making holes on paper for binding that are not round is

known as

        A:-Scoring

        B:-Slitting

        C:-Slotting

        D:-Punching

        Correct Answer:- Option-C

Question87:-______ improves the book structure by giving it a convex spine and a

concave fore edge.

        A:-Cutting

        B:-Rounding

        C:-Folding

        D:-Sticking

        Correct Answer:- Option-B

Question88:-Sometimes ink not used and the stock itself creates the raised 3D

image after dies that press their image into the paper under great pressure is called

as ________.

        A:-Dry punching

        B:-Glide rolling

        C:-Blind embossing

        D:-Wet striking

        Correct Answer:- Option-C

Question89:-Name the finishing process that is not classified under edge decoration

        A:-Gilding

        B:-Gauffering

        C:-Sputtering

        D:-Sprinkling

        Correct Answer:- Option-C

Question90:-What is a plastic or wooden piece located directly below the cutting

blade beneath the table to protect the blade when it touches the table after cutting

the paper pile?

        A:-Cutting stick

        B:-Clamping bar

        C:-Gripping finger

        D:-Moving rod

        Correct Answer:- Option-A

Question91:-Which one of the following is an example for shell and slide carton

types?

        A:-Ink bottle

        B:-Window carton

        C:-Cake box

        D:-Cigarette pockets

        Correct Answer:- Option-D

Question92:-The angle of level of the cutting blade in the Die-cutting machine

        A:-15 - 18

        B:-8 - 11

        C:-21 - 24

        D:-5 - 8

        Correct Answer:- Option-A

Question93:-The board which is made from layers of virgin chemical pulp

sandwiched between layers of mechanical pulp?

        A:-SBB

        B:-SUB

        C:-FBB

        D:-WLC

        Correct Answer:- Option-C

Question94:-Which one of the following is not a water based adhesive?

        A:-Starch

        B:-Acrylies

        C:-Casein

        D:-Latex

        Correct Answer:- Option-B

Question95:-Which one of the following is an example for the 2 piece tray carton?

        A:-Cake box

        B:-Shirt box

        C:-Match box

        D:-Cigarette box

        Correct Answer:- Option-B

Question96:-_____ is the process in which the liquid metal like Aluminium is poured

into a mold, cooled and solidified.

        A:-Casting

        B:-Forming

        C:-Joining

        D:-Rolling

        Correct Answer:- Option-A

Question97:-What is the SI unit for Torque/Moment of a foce?

        A:-Newton

        B:-Newton-meter

        C:-Pascal

        D:-Watt

        Correct Answer:- Option-B

Question98:-Which one of the following stores the magnetic flux?

        A:-Capacitor

        B:-Resistors

        C:-Inductors

        D:-Battery

        Correct Answer:- Option-C

Question99:-An electrical iron carrying 4A at 120 V. Find out the resistance

        A:-20 ohms

        B:-30 ohms

        C:-40 ohms

        D:-60 ohms

        Correct Answer:- Option-B

Question100:-Trimmed size of A0 sheet is _________?

        A:-841 × 1189

        B:-210 × 297

        C:-1000 × 1414

        D:-917 × 1197

        Correct Answer:- Option-A

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[Solved paper]Livestock Inspector Gr II/ Poultry Assistant/ Milk Recorder Kerala PSC Previous Question Paper|Kerala PSC Question paper  171/2023/OL  Category  Code:  535/2019

FINAL ANSWER KEY Livestock Inspector Gr II/ Poultry Assistant/ Milk Recorder Kerala PSC

Question Paper Code: 171/2023/OL

Category Code: 535/2019

Exam: Livestock Inspector Gr II/ Poultry Assistant/ Milk Recorder etc (Supplimentary Examination)

Date of Test 21-12-2023 

Department Animal Husbandry

Question1:-Choose the odd one

        A:-Black quarter

        B:-Brucellosis

        C:-Anthrax

        D:-Mastitis

        Correct Answer:- Option-D

Question2:-The floor space required for grower light breeds of poultry is

        A:-1350

        B:-950

        C:-850

        D:-1950

        Correct Answer:- Option-B

Question3:-Name the type of dairy farming mainly practiced in villages

        A:-Family cow

        B:-Part time dairying

        C:-Diversified farms

        D:-Mixed farms

        Correct Answer:- Option-A

Question4:-Ear notching is a method of identification done in

        A:-Cattle

        B:-Goat

        C:-Pig

        D:-Buffalo

        Correct Answer:- Option-C

Question5:-The total livestock population in rural areas of India is

        A:-514.11 million

        B:-536.76 million

        C:-303.6 million

        D:-193.46 million

        Correct Answer:- Option-A

Question6:-The fine undercoat of Kashmiri goats is called

        A:-Fur

        B:-Wool

        C:-Mohair

        D:-Pashmina

        Correct Answer:- Option-D

Question7:-A bull whose genetic capacity is proved through sire index is called

        A:-Heterosis

        B:-Hybrid vigour

        C:-Cross bred

        D:-Proven bull

        Correct Answer:- Option-D

Question8:-As per 2019 basic Animal Husbandry Statistics, the average milk yield

per day per animal for crossbred cattle in India is

        A:-15 kg

        B:-10 kg

        C:-7.95 kg

        D:-3 kg

        Correct Answer:- Option-C

Question9:-Super ovulation is an important step related to cattle in

        A:-MOET

        B:-Artificial insemination

        C:-Estrous cycle

        D:-None of the above

        Correct Answer:- Option-A

Question10:-An adult uncastrated male cattle is called

        A:-Steer

        B:-Bull

        C:-Uncastrated bull

        D:-Bullock

        Correct Answer:- Option-B

Question11:-Which bone is called shoulder blade?

        A:-Humerus

        B:-Radius

        C:-Scapula

        D:-Pelvic bone

        Correct Answer:- Option-C

Question12:-A part of the digestive system of cattle which extends from the

diaphragm to the pelvis filling almost left side of the abdominal cavity

        A:-Large intestine

        B:-Small intestine

        C:-Rumen

        D:-Reticulum

        Correct Answer:- Option-C

Question13:-An example for dual purpose breed of cattle

        A:-Kankrej

        B:-Hallikar

        C:-Amrithmahal

        D:-Kangayam

        Correct Answer:- Option-A

Question14:-The body cavity which is bounded by the vertebral column at the

dorsal side, ribs on the lateral side, sternum on the ventral side, diaphragm on the

posterior side

        A:-Abdominal cavity

        B:-Pelvic cavity

        C:-Thoracic cavity

        D:-None of the above

        Correct Answer:- Option-C

Question15:-Disease most commonly occurs in goat as a result of consuming large

quantity of readily digestable carbohydrate is

        A:-Ketosis

        B:-Lactic acidosis

        C:-Milk fever

        D:-PPR

        Correct Answer:- Option-B

Question16:-The hormone which helps in parturition, sperm and egg transportation,

milk ejection

        A:-GnRH

        B:-FSH

        C:-Prolactin

        D:-Oxytocin

        Correct Answer:- Option-D

Question17:-The largest nematode of poultry is

        A:-Ascaridia

        B:-Heterakis

        C:-Taenia

        D:-Whip worms

        Correct Answer:- Option-A

Question18:-In poultry layers moulting occurs once in a year and the order of it is

(i) Head-neck-body-wing-tail

(ii) Head-wing-body-neck-tail

(iii) Tail-wing-body-neck-head

(iv) Head-body-neck-tail-wing

        A:-(iii)

        B:-(iv)

        C:-(ii)

        D:-(i)

        Correct Answer:- Option-D

Question19:-Most reliable test used for detecting adulteration of milk with water is

        A:-Iodine test

        B:-Seliwanoff's reagent

        C:-Freezing point

        D:-Con. HCl

        Correct Answer:- Option-C

Question20:-Which among the following statements is correct about dystocia

(i) May occur if the posture of calf is abnormal

(ii) May occur if relaxation of pelvic ligament is insufficient

        A:-(i)

        B:-(i) and (ii)

        C:-(ii)

        D:-None of the above

        Correct Answer:- Option-B

Question21:-Which method of selection is used for selection of calves?

        A:-Family selection

        B:-Progeny selection

        C:-Pedigree selection

        D:-Individual method

        Correct Answer:- Option-C

Question22:-Roughages should contain

        A:-more than 18% crude fibre

        B:-less than 18% crude fibre

        C:-16% crude fibre

        D:-18% crude protein

        Correct Answer:- Option-A

Question23:-Name the breed which is having a straight top line, usual colour is

fawn, double dished forehead, horns are small and curved forwards

        A:-Sahiwal

        B:-Brown swiss

        C:-Gir

        D:-Jersey

        Correct Answer:- Option-D

Question24:-Longest phase of estrous cycle in cattle is

        A:-Pro estrous

        B:-Di estrous

        C:-Estrous

        D:-Met estrous

        Correct Answer:- Option-B

Question25:-An example for legume fodder tree is

        A:-Jack fruit

        B:-Coconut tree

        C:-Subabul

        D:-All the above

        Correct Answer:- Option-C

Question26:-Concentrate mixture for an adult goat should contain ________% of

crude protein.

        A:-16%

        B:-18%

        C:-20%

        D:-14%

        Correct Answer:- Option-B

Question27:-The temperature time combination used for continuous flow method of

pasteurization is

        A:-63°C, 30 minutes

        B:-89°C, 3 seconds

        C:-60°C, 25 minutes

        D:-72°C, 15 seconds

        Correct Answer:- Option-D

Question28:-The unpaired airsac seen in poultry

        A:-Inter clavicular

        B:-Thoracic

        C:-Cervical

        D:-Abdominal

        Correct Answer:- Option-A

Question29:-Cyanosis and edema of comb and wattle, blood tinged oral and nasal

discharges, in severe cases greenish diarrhoea may be seen in poultry. This may be

due to the disease

        A:-Pasteurellosis

        B:-Avian influenza

        C:-IBD

        D:-Newcastle Disease

        Correct Answer:- Option-B

Question30:-The peculiarity of protein digestion in ruminants is

(i) Rumen microbes can synthesise essential amino acids

(ii) Microbial protein produced by microbes are of high quality protein

        A:-(i)

        B:-(ii)

        C:-Both (i) and (ii)

        D:-None of the above

        Correct Answer:- Option-C

Question31:-A ration which contains concentrate, roughage, minerals and vitamins

in correct proportion to meet production and maintenance requirement of an

animal is

        A:-TMR Feed

        B:-By pass protein

        C:-Ration

        D:-Diet

        Correct Answer:- Option-A

Question32:-Duration of estrum in cattle is

        A:-18 days

        B:-24 days

        C:-2-3 days

        D:-12-24 hours

        Correct Answer:- Option-D

Question33:-The most popular mediterranean breed of poultry is

        A:-Leghorn

        B:-RIR

        C:-Cochin

        D:-Australorp

        Correct Answer:- Option-A

Question34:-DCP content of paddy straw is

        A:-40

        B:-20

        C:-0

        D:-4

        Correct Answer:- Option-C

Question35:-Approximate floor space required for a cow under intensive system of

rearing

        A:-1.5 - 1.7  

        B:-1 - 1.2

        C:-3.5

        D:-75

        Correct Answer:- Option-C

Question36:-Portion of the reproductive system of cow which opens only during

heat and parturition is

        A:-Cervix

        B:-Body of uterus

        C:-Uterine horns

        D:-Oviduct

        Correct Answer:- Option-A

Question37:-The process through which the milk is made to a stable emulsion of

milk fat and milk serum

        A:-Toned milk

        B:-Condensed milk

        C:-Pasteurised milk

        D:-Homogenised milk

        Correct Answer:- Option-D

Question38:-If a layer is having an abdomen which is large with width of 3-5

fingers, soft and less fat, it indicates that it is a

        A:-Poor layer

        B:-Good layer

        C:-Broody hen

        D:-Unproductive hen

        Correct Answer:- Option-B

Question39:-As per the vaccination schedule for layers, the vaccine that is

administered to chicken on week is against

        A:-Marek's disease

        B:-Ranikhet disease

        C:-IBD

        D:-Fowl pox

        Correct Answer:- Option-D

Question40:-The standard dry period in cow is

        A:-365 days

        B:-60 days

        C:-120 days

        D:-30 - 90 days

        Correct Answer:- Option-B

Question41:-The process of segregation of apparently healthy animals from other

animals for a specific period is

        A:-Quarantine

        B:-Infestation

        C:-Isolation

        D:-Culling

        Correct Answer:- Option-A

Question42:-Iron dextran injections are given to prevent

        A:-Erysepalas

        B:-Piglet anemia

        C:-Pasteurellosis

        D:-Mange

        Correct Answer:- Option-B

Question43:-Process of separating calf from dam immediately after calving or after

2-3 days and rearing separately is

        A:-Milk replacer feeding

        B:-Pail feeding

        C:-Nurse cow method

        D:-Weaning

        Correct Answer:- Option-D

Question44:-The instrument used for restraining and short term examination of

bulls

        A:-Milk man's rope

        B:-Squeeze cage

        C:-Bull holder

        D:-Bull leader

        Correct Answer:- Option-C

Question45:-The process of trimming or removing of comb and wattles is

        A:-Debeaking

        B:-Defeathering

        C:-Dubbing

        D:-Trimming

        Correct Answer:- Option-C

Question46:-The percentage of milk fat present in heavy cream is

        A:-30-40

        B:-65-85

        C:-20-25

        D:-50-65

        Correct Answer:- Option-B

Question47:-Identify a cattle breed suitable for hilly areas

        A:-Holstein Friesian

        B:-Jersey

        C:-Vechur

        D:-Kasaragod Dwarf

        Correct Answer:- Option-A

Question48:-Mating between individuals of any two breeds

        A:-Out breeding

        B:-Line breeding

        C:-Close inbreeding

        D:-Cross breeding

        Correct Answer:- Option-D

Question49:-At the age of 3 years, which among the following statements is correct

about dentition

(i) Temporary central incisors are replaced by permanent ones

(ii) Temporary centrolaterals are replaced by permanent ones

(iii) Appearance of wear in permanent central incisors

        A:-All the above

        B:-(ii)

        C:-(iii)

        D:-(i)

        Correct Answer:- Option-B

Question50:-Body temperature of poultry is

        A:-101.5°F

        B:-103.5°F

        C:-102.6°F

        D:-107°F

        Correct Answer:- Option-D

Question51:-In cow, after fertilization the heart of the embryo begins to beat at an

age of

        A:-10 days

        B:-12 days

        C:-22 days

        D:-40 days

        Correct Answer:- Option-C

Question52:-The main gas produced in a good quality biogas is

        A:-Methane

        B:-Hydrogen sulphide

        C:-Oxygen

        D:-Carbon dioxide

        Correct Answer:- Option-A

Question53:-Critical temperature for Indian Cattle is

        A:-101.5°F

        B:-80°F

        C:-85°F

        D:-95°F

        Correct Answer:- Option-D

Question54:-Percentage of animals that should be replaced yearly in a farm is

        A:-20

        B:-10

        C:-80

        D:-50

        Correct Answer:- Option-A

Question55:-As per BIS specifications of poultry feed, layer phase I feed should

contain a minimum metabolisable energy of

        A:-2500 Kcal/Kg

        B:-2400 Kcal/Kg

        C:-2600 Kcal/Kg

        D:-2800 Kcal/Kg

        Correct Answer:- Option-C

Question56:-For collecting hatching eggs in layer ducks, the male : female ratio

may be

        A:-1 : 5

        B:-1 : 8

        C:-1 : 10

        D:-1 : 3

        Correct Answer:- Option-B

Question57:-The average amount of water required per day for drinking purpose in

cattle

        A:-10 litre

        B:-20 litre

        C:-40 - 120 litre

        D:-150 litre

        Correct Answer:- Option-C

Question58:-As per the thumb rule for feeding, when green is surplus, amount of

green grass required for an adult cow weighing 250 kg for maintenance ration

        A:-15 kg

        B:-25 - 30 kg

        C:-6 kg

        D:-20 kg

        Correct Answer:- Option-B

Question59:-On grading an egg is having a free or bubbly air cell of 8 mm depth,

slightly off centered yolk, with a size of 60 g and above, it can be graded as

        A:-A grade

        B:-AA grade

        C:-A small grade

        D:-B grade

        Correct Answer:- Option-D

Question60:-An example for meat purpose breed of duck is

        A:-White Pekin

        B:-Chara

        C:-Khakhi Campbell

        D:-Indian Runner

        Correct Answer:- Option-A

Question61:-Hatch weight of quail chick is

        A:-15 g

        B:-10 g

        C:-12 g

        D:-7 g

        Correct Answer:- Option-D

Question62:-Toxic content present in cotton seed is

        A:-Mimosin

        B:-Aflatoxin

        C:-Gossipol

        D:-Cyanide

        Correct Answer:- Option-C

Question63:-The system of rearing of cattle where animals are let loose in an open

paddock is

        A:-Free range system

        B:-Semi intensive system

        C:-Intensive system

        D:-Tail to Tail system

        Correct Answer:- Option-B

Question64:-Name the grass that can be cultivated as an intercrop in arecanut and

coconut plantation

        A:-Guinea grass

        B:-Para grass

        C:-Cowpea

        D:-Azolla

        Correct Answer:- Option-A

Question65:-The dimension of foot bath that should be arranged in a poultry house

is

        A:-2.5 cm × 2.5 cm

        B:-90 cm × 45 cm

        C:-30 cm × 60 cm

        D:-15 cm × 15 cm

        Correct Answer:- Option-B

Question66:-The amount of feed restriction that can be practiced in egg type

grower is

        A:-7-8 %

        B:-20%

        C:-10%

        D:-No restriction can be practiced

        Correct Answer:- Option-A

Question67:-When compared to other poultry, ducks are more susceptible to

        A:-Pasteurellosis

        B:-Duck viral hepatitis

        C:-Aflatoxicosis

        D:-Duck plague

        Correct Answer:- Option-C

Question68:-Covered area required in a boar's pen

        A:-12

        B:-5

        C:-10

        D:-7.5

        Correct Answer:- Option-D

Question69:-The vitamin which is known as antisterility vitamin

        A:-Vitamin A

        B:-Vitamin E

        C:-Vitamin K

        D:-Vitamin C

        Correct Answer:- Option-B

Question70:-The milking method that can be followed for a small teated animal

        A:-Knuckling

        B:-Thumbing

        C:-Full hand milking

        D:-Stripping

        Correct Answer:- Option-D

Question71:-A good poultry farm should have a feed efficiency per kg egg mass of

        A:-2.2 or less

        B:-1.8 - 2.0

        C:-1.5 or less

        D:-1.0 - 1.2

        Correct Answer:- Option-A

Question72:-Black beard in upper breast region, large elastic snood, fleshy

caruncles are characteristics of

        A:-Drake

        B:-Chicken

        C:-Male turkey

        D:-Female turkey

        Correct Answer:- Option-C

Question73:-Special nourishing concentrate feed given to piglets in a guard rail,

away from the dam

        A:-Starter

        B:-Milk replacer

        C:-Concentrates

        D:-Creep feed

        Correct Answer:- Option-D

Question74:-The percentage of water content in hay is

        A:-65%

        B:-Less than 15%

        C:-More than 20%

        D:-35%

        Correct Answer:- Option-B

Question75:-Secretion of the male accessory sex organ which contains fructose and

citric acid

        A:-Cowpers gland

        B:-Prostate gland

        C:-Seminal vesicle

        D:-Leydig cell

        Correct Answer:- Option-C

Question76:-The figures in the numerator in the dental formula indicates

(i)   Number of teeth in the upper jaw

(ii) Number of teeth in the lower jaw

(iii) Number of incisors

(iv) Number of premolars

        A:-(i)

        B:-(ii)

        C:-(iii)

        D:-(iv)

        Correct Answer:- Option-A

Question77:-Average feed required per bird for grower during growing period is

        A:-2 kg

        B:-41 kg

        C:-4.7 kg

        D:-6 kg

        Correct Answer:- Option-D

Question78:-The quail chick feed upto 3 weeks of age should contain a protein

content of

        A:-22%

        B:-24%

        C:-27%

        D:-25%

        Correct Answer:- Option-C

Question79:-Name the foetal membrane which helps in exchange of gases and

foetal circulation

        A:-Chorion

        B:-Amnion

        C:-Allantois

        D:-Allanto chorion

        Correct Answer:- Option-A

Question80:-Furstenberg's rosette is seen in

        A:-Uterus

        B:-Teat

        C:-Penis

        D:-Testes

        Correct Answer:- Option-B

Question81:-The chemical used for dehorning

        A:-Caustic potash

        B:-Soda bicarb

        C:-Calcium oxide

        D:-Calcium carbonate

        Correct Answer:- Option-A

Question82:-The branding temperature used in freeze branding is

(i) -79°C

(ii) -196°C

        A:-(i)

        B:-(ii)

        C:-(i) and (ii)

        D:-None of the above

        Correct Answer:- Option-C

Question83:-The total RBC count of cattle

        A:-8-18 million/

        B:-5-8 million/

        C:-5.5-8.5 million/

        D:-5-10 million/

        Correct Answer:- Option-D

Question84:-The mating method used in poultry to know the pedigree of chicks is

        A:-Flock mating

        B:-Pen mating

        C:-Mass mating

        D:-None of the above

        Correct Answer:- Option-B

Question85:-Transportation, concentration, maturation and storage of sperms are

the major functions of which part of the reproductive system

        A:-Testes

        B:-Vas deferens

        C:-Epididymis

        D:-Vasa efferentia

        Correct Answer:- Option-C

Question86:-The condition in which the normal respiration rate varies

        A:-Sleep

        B:-Unconsciousness

        C:-Milk fever

        D:-All the above

        Correct Answer:- Option-D

Question87:-Formation of soft shelled egg may be due to

(i)   Immature shell gland

(ii) Deficiency of Calcium, Phosphorous, Selenium

(iii) Deficiency of Vitamin E, B 12

        A:-(i) and (ii)

        B:-(i) and (iii)

        C:-(ii)

        D:-All the above

        Correct Answer:- Option-D

Question88:-In which species saliva is deficient in ptyalin

        A:-Ruminants

        B:-Pig

        C:-Cat

        D:-Dog

        Correct Answer:- Option-A

Question89:-CME is used for preservation of semen under

        A:-Refrigeration temperature

        B:-Room temperature

        C:-Deep freezing

        D:-Chilled method

        Correct Answer:- Option-B

Question90:-The total effective photoperiod for layers can be achieved by

increasing the photoperiod weekly upto 16 hours at the rate of

        A:-5 minutes

        B:-10 minutes

        C:-15 minutes

        D:-20 minutes

        Correct Answer:- Option-C

Question91:-An 8 to 21 days old broiler chicken is called

        A:-Starter

        B:-Chick

        C:-Pre starter

        D:-Grower

        Correct Answer:- Option-A

Question92:-Largest single organ of the body in poultry

        A:-Testes

        B:-Gizzard

        C:-Heart

        D:-Liver

        Correct Answer:- Option-B

Question93:-The reasons of infertility may be

(i)    Silent heat

(ii)   Imbalance in the hormonal level

(iii) Deficiency of certain vitamins

(iv) Environmental temperature

        A:-(i)

        B:-(i) and (iv)

        C:-(ii) and (iii)

        D:-All the above

        Correct Answer:- Option-D

Question94:-Average rumination time in ruminants is

        A:-6 hour

        B:-8 hour

        C:-10 hour

        D:-12 hour

        Correct Answer:- Option-B

Question95:-Identify the importance of reticular groove

        A:-Milk by passes rumen to abomasum

        B:-Milk get curdled in abomasum

        C:-Milk is digested by rennin

        D:-All the above

        Correct Answer:- Option-D

Question96:-The optimum temperature required for chicken egg in hatcher is

        A:-99.5°F

        B:-99.75°F

        C:-98.5°F

        D:-97.5°F

        Correct Answer:- Option-C

Question97:-Specific gravity of milk

        A:-1.028 - 1.035

        B:-1.01 - 1.02

        C:-1.12 - 1.32

        D:-1.25 - 1.32

        Correct Answer:- Option-A

Question98:-On day candling, eggs showing absence of blood vessels, adhering

to shell or pink rings indicates

        A:-Fertile egg

        B:-Early dead embryo

        C:-Infertile egg

        D:-Live embryo

        Correct Answer:- Option-B

Question99:-Milk which contain maximum 1.5% fat and 9.0% SNF is

        A:-Skim milk

        B:-Humanised milk

        C:-Double toned milk

        D:-Toned milk

        Correct Answer:- Option-C

Question100:-Incubation period of turkey egg is

        A:-28 days

        B:-21 days

        C:-35 days

        D:-18 days

        Correct Answer:- Option-A

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 [Solved paper]Assistant Director (Plastic) Kerala PSC Previous Question Paper|Deputy Manager Kerala PSC Question paper, 139/2023/OL 386/2021

FINAL ANSWER KEY Assistant Director (Plastic) Kerala PSC Previous Question Paper

Question Paper Code: 139/2023/OL

Category Code: 386/2021

Exam: Assistant Director (Plastic)

Date of Test 07-08-2023

Department Industries and Commerce

Question1:-Which of the following is/are correct about intrinsic viscosity?

(i)    It is known as Staudinger index

(ii)   It has the reciprocal of concentration as dimension

(iii)   It is known as limiting viscosity number

(iv)   It is dynamic viscosity

        A:-Only (ii) and (iii)

        B:-Only (i) and (ii)

        C:-Only (i) and (iii)

        D:-All of the above

        Correct Answer:- Option-D

Question2:-Which of the following is not correct about cationic polymerization?

(i)   Molecular weight depends on monomer concentration

(ii) Molecular weight increases as temperature increases

(iii) The process is exothermic

(iv)   As dielectric constant of solvent increases molecular weight increases

        A:-Only (ii)

        B:-Only (iv)

        C:-Only (iii)

        D:-Only (i) and (iii)

        Correct Answer:- Option-A

Question3:-Which of the following is used as a telogen in the polymerization of

bromotrifluoroethylene?

        A:-Trifluoroethylene

        B:-Bromotrifluoromethane

        C:-Tetrafluoroethylene

        D:-Carbon tetrachloride

        Correct Answer:- Option-B

Question4:-Which of the following is in the correct with respect to their Tg?

        A:-

Polymethylmethacrylate>Polybutylacrylate>Polyethylacylate>Polymethacrylate

        B:-

Polymethylmethacrylate>Polymethacrylate>Polybutylacrylate>Polyethylacylate

        C:-Polymethylmethacrylate>Polymethacrylate>Polyethylacylate

>Polybutylacrylate

        D:-Polymethacrylate>Polyethylacylate

>Polybutylacrylate>Polymethylmethacrylate

        Correct Answer:- Option-C

Question5:-The unit of K value in Mark-Houwink equation is

        A:- /g

        B:-g/

        C:-°C

        D:-None of these

        Correct Answer:- Option-A

Question6:-What is the molecular weight of polycaprolactum with degree of

polymerisation 1000?

        A:-134500

        B:-113000

        C:-119000

        D:-770000

        Correct Answer:- Option-B

Question7:-Which polymerization method is suitable for Polyacrylonitrile?

        A:-Anionic polymerization

        B:-Coordination polymerization

        C:-Cationic polymerization

        D:-Free radical polymerization

        Correct Answer:- Option-A

Question8:-The functionality of acetylene is

        A:-1

        B:-2

        C:-3

        D:-4

        Correct Answer:- Option-D

Question9:-Reference material used in NMR is

        A:-Tetramethylsilane

        B:-Dimethylsilane

        C:-Trimethylsilane

        D:-Triichloromethylsilane

        Correct Answer:- Option-A

Question10:-The polymer which is used in space suit is

        A:-Polyphenyleneoxide

        B:-Polycarbonate

        C:-Torlon

        D:-Nomex

        Correct Answer:- Option-D

Question11:-Which among the following have the lowest LOI?

        A:-PTFE

        B:-PEEK

        C:-Polyacetal

        D:-PVC

        Correct Answer:- Option-C

Question12:-An exceptionally tough and transparent material used in heart valve

and pace component is

        A:-PE

        B:-PC

        C:-Polysulphone

        D:-PMMA

        Correct Answer:- Option-C

Question13:-Which among the following is a best antidegradant against metal

poison?

        A:-BHT

        B:-DNPD

        C:-ODPA

        D:-PAN

        Correct Answer:- Option-B

Question14:-The polymer which is used for water purification

        A:-Polyacrylamide

        B:-Polysulphone

        C:-Polyethylene oxide

        D:-Polyester

        Correct Answer:- Option-A

Question15:-Which among the following is not a photo conducting polymer?

        A:-Poly N-vinyl carbazole

        B:-Polythiophene

        C:-Polyvinylpyrene

        D:-Poly 2- vinyl carbazole

        Correct Answer:- Option-B

Question16:-Which polymerization technique often result low molecular weight

polymer?

        A:-Bulk polymerization

        B:-Emulsion polymerization

        C:-Suspension polymerization

        D:-Solution polymerization

        Correct Answer:- Option-D

Question17:-Equal number of molecules with M1=1000 and M2=10000 are mixed.

The weight average of the resulting polymer will be

        A:-9182 g

        B:-8970 g

        C:-9899 g

        D:-9656 g

        Correct Answer:- Option-A

Question18:-Which of the following is correct about GPC

(i)   Polymer molecules are separated according to their size

(ii)   It is a primary method for the determination of molecular weight

(iii) It is used for the determination of Mn and Mw

(iv)   It is used for the determination of MWD

        A:-(i), (ii) and (iii)

        B:-(i), (iii) and (iv)

        C:-(ii), (iii) and (iv)

        D:-All of the above

        Correct Answer:- Option-B

Question19:-Which of the following bonds posses highest bond energy?

        A:-C-C

        B:-B-O

        C:-SI-O

        D:-SI-N

        Correct Answer:- Option-B

Question20:-Ionic polymers are used for heterogeneous catalysis because of its

__________ property

        A:-Ionic cross-linking

        B:-Ion-exchange capability

        C:-Hydrophilicity

        D:-All of these

        Correct Answer:- Option-B

Question21:-Natural rubber is chemically known as

        A:-Cis-1,4 polyisoprene

        B:-Trans-1,4 polyisoprene

        C:-Cis-1,3 polyisoprene

        D:-Trans-1,3 polyisoprene

        Correct Answer:- Option-A

Question22:-What is the role of ammonia in latex preservation?

        A:-Use as a bactericide

        B:-Enhances the colloidal stability of latex

        C:-Deactivates harmful metal ions

        D:-All the above

        Correct Answer:- Option-D

Question23:-In the latex concentration methods, which process involve only the

removal of water

        A:-Evaporation

        B:-Electrodecantation

        C:-Creaming

        D:-Centrifuging

        Correct Answer:- Option-A

Question24:-Which rubber among the following is used in products for which

lightness of colour is important?

        A:-Ribbed smoke sheets

        B:-pale crepe rubber

        C:-Brown and Blanket Crepes

        D:-Michelin sheets

        Correct Answer:- Option-B

Question25:-The rubber containing 20% to 30% of an aromatic or naphthenic

process oil is called

        A:-Peptized Rubber

        B:-Deproteinized Natural Rubber

        C:-Oil-extended Natural Rubber

        D:-Tire Rubber

        Correct Answer:- Option-C

Question26:-The principle of the Reclaiming processes is

        A:-Vulcanization

        B:-Devulcanization

        C:-Creaming

        D:-None of the these

        Correct Answer:- Option-B

Question27:-Choose wrong statement among the following

(i)   Elastomers exhibits slow recovery after extension

(ii)   Elastomers can be vulcanised

(iii) Elastomeric properties are affected by the Tg

(iii)   Mechanical properties of elastomers are due to cross-linked, long-chain,

flexible polymer molecules.

        A:-Only (i)

        B:-(ii) and (iii)

        C:-(iii) and (iv)

        D:-(ii) and (iv)

        Correct Answer:- Option-A

Question28:-The polymeric materials, which combine the processability of

thermoplastics and the functional performance of vulcanised rubbers are called

        A:-Thermoplastics

        B:-Elastomer

        C:-Thermoplastic elastomer

        D:-None of these

        Correct Answer:- Option-C

Question29:-Polychloroprene rubber is popularly known as

        A:-Polynorbornene

        B:-Neoprene

        C:-Butyl rubber

        D:-Nitrile rubber

        Correct Answer:- Option-B

Question30:-Which synthetic rubber is also commonly known as Hypalon

        A:-Styrene butadiene rubber

        B:-Polychloroprene rubber

        C:-Nitrile rubber

        D:-Chlorosulphonated polyethylene

        Correct Answer:- Option-D

Question31:-Example for flame retardant used in rubber compounding

        A:-Antimony compounds

        B:-Fluorocarbons

        C:-Amines

        D:-None of these

        Correct Answer:- Option-A

Question32:-Conventional vulcanizing system containing

        A:-High sulfure/accelerator ratio

        B:-High accelerator/sulfur ratios

        C:-Intermediate between (1) and (2)

        D:-None of these

        Correct Answer:- Option-A

Question33:-The additive used to improve the mixing and processing of the rubber

compound is

        A:-Accelerator

        B:-Vulcanizing agent

        C:-Processing aid

        D:-Antioxidant

        Correct Answer:- Option-C

Question34:-Monomers of butyl rubber are

        A:-Isobutene, isoprene

        B:-Isobutadiene, isoprene

        C:-Isobutylene, isoprene

        D:-Isobutylene, Isobutadiene

        Correct Answer:- Option-C

Question35:-Blowing agents are used in the manufacture of

        A:-Sponge rubber

        B:-Tire tube

        C:-Conveyor Belt

        D:-None of these

        Correct Answer:- Option-A

Question36:-Name the person who discovered vulcanization

        A:-Charles Goodyear

        B:-Thomas Edison

        C:-Alexander Graham Bell

        D:-George Washington Carver

        Correct Answer:- Option-A

Question37:-EPDM stands for

        A:-Ethylene propylene diene monomer

        B:-Epoxidized diene monomer

        C:-Enzyme protonated diene monomer

        D:-Ethylene propylene natural rubber

        Correct Answer:- Option-A

Question38:-Select inorganic rubber among the following

        A:-Nitrile rubber

        B:-Natural rubber

        C:-Butyl rubber

        D:-Silicon rubber

        Correct Answer:- Option-D

Question39:-An example for a coplolymer

        A:-Nitrile rubber

        B:-Natural rubber

        C:-Butyl rubber

        D:-Silicon rubber

        Correct Answer:-Question Cancelled

Question40:-Tripsometer is used to determine

        A:-Abrasion resistance

        B:-Cure time

        C:-Rebound resilience

        D:-Compression set

        Correct Answer:- Option-C

Question41:-How much rolling resistance should be reduced to get 1% fuel

efficiency?

        A:-2% to 3%

        B:-3% to 5%

        C:-5% to 7%

        D:-7% to 9%

        Correct Answer:- Option-C

Question42:-Which method is preferred to make rubber products if less heat and

more pressure is required for curing?

        A:-Open curing in autoclaves

        B:-Water curing

        C:-Hot air curing

        D:-All of these

        Correct Answer:- Option-B

Question43:-Which material is better if we required a short circuit temperature up

to 250°C in power cables?

        A:-Crosslinked polyethylene

        B:-Polyvinyl chloride

        C:-Flurocarbon rubber

        D:-All of these

        Correct Answer:- Option-A

Question44:-Which is/are the effective method/methods to control the 'nerve'

during rubber processing?

        A:-Use factice

        B:-Using high structure furnace black

        C:-Increase filler loading

        D:-All of these

        Correct Answer:- Option-D

Question45:-K-value of PVC material recommended in insulating material using in

low and medium voltage cables

        A:-45 to 50

        B:-50 to 60

        C:-65 to 70

        D:-70 to 75

        Correct Answer:- Option-C

Question46:-Field used in injection bottle cap is

        A:-Aluminium silicate

        B:-Silica

        C:-Barium sulphate

        D:-Clay

        Correct Answer:- Option-C

Question47:-Which is the preferred speed ratio of four roll calendar matachin where

both side topping can do?

        A:-2:3:3:2

        B:-2:3:2:3

        C:-3:2:2:3

        D:-3:2:3:2

        Correct Answer:- Option-A

Question48:-Which is the optimal molar ratio of resorcinol to formaldehyde in nylon

coated fabric used in rubber compound?

        A:-1:1 to 1:2

        B:-1:2 to 1:3

        C:-1.5:1 to 1.5:2

        D:-1.5:2 to 1.5:3

        Correct Answer:- Option-B

Question49:-Which chemical does reduce the dissociation temperature of DNPT in

MC sheet?

        A:-HSR

        B:-Vulcafor-F

        C:-Stearic acid

        D:-DEG

        Correct Answer:- Option-C

Question50:-Which rubber is suitable for manufacturing inner liners for hot water

washing hoses using in washing machines?

        A:-Natural Rubber

        B:-SBR

        C:-EPDM

        D:-NBR

        Correct Answer:- Option-D

Question51:-Which among the following is/are act as heat sensitizing agent in heat

sensitized latex?

        A:-Ammonium sulphate

        B:-Ammonium per sulphate

        C:-DPG

        D:-All of these

        Correct Answer:- Option-D

Question52:-Which process is/are suitable for manufacturing baby soothers?

        A:-Straight dipping

        B:-Heat sensitized dipping

        C:-Dipping by electrodeposition

        D:-All of these

        Correct Answer:- Option-B

Question53:-Which is using for improving flame resistance of latex foam?

        A:-Zinc oxide

        B:-Paraffine hydrocarbons

        C:-Titanium dioxide

        D:-Hydrated aluminum oxide

        Correct Answer:- Option-D

Question54:-Which substance is/are added to improve pressure sensitive adhesion

in latex-based adhesive?

        A:-PF resin

        B:-CI resine

        C:-Rosin derivatives

        D:-All of these

        Correct Answer:- Option-C

Question55:-Which material is widely used in latex - based paper adhesives?

        A:-CI resin

        B:-Cooked starch

        C:-Rosin derivatives

        D:-All of these

        Correct Answer:- Option-B

Question56:-Which material is widely used to make curing bags in tyre moulds?

        A:-Sulphur cured IIR

        B:-Resin cured IIR

        C:-Di oxime cured IIR

        D:-All of these

        Correct Answer:- Option-B

Question57:-In hoses, if braid angle is greater than neutral then hose will have

        A:-Increased length and increased diameter

        B:-Increased length and decreased diameter

        C:-Decreased length and increased diameter

        D:-Decreased length and Decreased diameter

        Correct Answer:- Option-B

Question58:-Which adhesive is generally used when moulded and vulcanized

rubber piece is directly adhered on the metal parts in rubber to metal bonded

products?

        A:-Epoxy adhesive

        B:-PU based adhesives

        C:-NR latex-based adhesives

        D:-Polymide adhesive

        Correct Answer:- Option-A

Question59:-Which type of accelerators are generally avoided in rubber to metal

bonded products?

        A:-Thiurams

        B:-Thiazoles

        C:-Sulphenamide

        D:-All of these

        Correct Answer:- Option-A

Question60:-What is the role of Vulcastab L.S in casted latex products?

        A:-Stabilizer

        B:-Vulcanizing agent

        C:-Wetting agent

        D:-Antioxidant

        Correct Answer:- Option-C

Question61:-Polypropylene produced commercially using a Ziegler-Natta catalyst is

predominantly

        A:-Atactic

        B:-Syndiotactic

        C:-Isotactic

        D:-Crosslinked

        Correct Answer:- Option-C

Question62:-The characteristics of condensation polymerization are given below

(i)   Only -C-C- linkages present in the polymer structure

(ii) Use of bifunctional of polyfunctional monomers

(iii) Elimination of a small by product molecule

Which of the following is true?

        A:-(i), (ii), (iii)

        B:-(ii) and (iii)

        C:-(i) and (ii)

        D:-Only (iii)

        Correct Answer:- Option-B

Question63:-As the polymer crystallinity increases, the brittleness of polymer

        A:-Increases

        B:-Decreases

        C:-Depends in length of branching in polymer

        D:-Remains constants

        Correct Answer:- Option-A

Question64:-Consider the following two transitions from the "solid" to the liquid or

rubbery state shown below on a plot of specific volume (Vs) vs temperature (T)

        A:-The transition X is Glass transition temperature (Tg) while transition Y is

crystalline melting point (Tm)

        B:-The transition X is crystalline melting point (Tm) while transition Y is Glass

transition temperature (Tg)

        C:-X and Y are melting points, but X is the Tm of a semi-crystalline material

and Y is the Tm of an almost perfect crystal

        D:-X and Y are Tg (Glass transition temperatures), but X is the Tg of a semicrystalline material and Y is the Tg of an almost perfect crystal

        Correct Answer:- Option-A

Question65:-Which of the following polymers would you except to be most suitable

for the production of a rubber car bumper guard?

        A:-Atactic polystyrene (Tg ˜100ºC)

        B:-A random ethylene/propylene copolymer (50/50 composition) Tg ˜40ºC)

        C:-Low density polyethylene

        D:-High density polyethylene

        Correct Answer:- Option-B

Question66:-Which of the following material is not made by injection molding?

        A:-Nuts

        B:-Tubes

        C:-Cups

        D:-Electrical fittings

        Correct Answer:- Option-B

Question67:-Which one of the following is a condensation polymer?

        A:-Nylon

        B:-Polythene

        C:-PVC

        D:-Teflon

        Correct Answer:- Option-A

Question68:-In blow molding, to inflate soft plastic, which medium is used?

        A:-Air

        B:-Water

        C:-Oil

        D:-Alcohol

        Correct Answer:- Option-A

Question69:-Which of the following types of molecular structure are present in

thermosetting polymers?

        A:-Linear polymers

        B:-Branched polymers

        C:-Cross-linked polymers

        D:-Long chain polymers

        Correct Answer:- Option-C

Question70:-Which one is the natural polyamide polymer?

        A:-Cotton

        B:-Silk

        C:-Nylon-6

        D:-Jute

        Correct Answer:- Option-B

Question71:-A continuous and aligned glass fiber-reinforced composite consists of

30 vol% glass fibers having a modulus of elasticity of 69 GPa and 70 vol% polyester

resin that, when hardened, displays a modulus of 3.4 GPa. The modulus of elasticity

of this composite in the longitudinal direction is

        A:-23.1 GPa

        B:-65.6 GPa

        C:-42.76 GPa

        D:-72.4 GPa

        Correct Answer:- Option-A

Question72:-Dry spinning is a process

        A:-Which is used for polymers that can be melted easily

        B:-Which involves dissolving polymer in a solvent and the solution is extruded

into a chemical bath

        C:-Which involves dissolving the polymer into a solvent that can be

evaporated

        D:-Which is used only for network polymers

        Correct Answer:- Option-C

Question73:-Which of the following statements about plasticizers is true?

        A:-Plasticizers increase the modulus while decreasing the glass transition

temperature

        B:-Plasticizers decrease the modulus while increasing the glass transition

temperature

        C:-Plasticizers are added to increase the intermolecular forces between the

chains

        D:-Plasticizers are high boiling organic esters

        Correct Answer:- Option-A

Question74:-For 1 inch schedule 40 PVC pipe and 1 inch schedule 80 PVC pipe

which of the following statement is correct?

        A:-Schedule 80 PVC pipe has a larger outside diameter than schedule 40 pipe

        B:-Schedule 40 PVC pipe has a larger outside diameter than schedule 80 pipe

        C:-Schedule 80 PVC pipe has a smaller inside diameter than schedule 40 pipe

        D:-Schedule 40 PVC pipe has a smaller inside diameter than schedule 80 pipe

        Correct Answer:- Option-C

Question75:-Select the correct option

        A:-PCTFE is a thermoplastic polymer and its repeating unit is

        B:-PCTFE is a thermoplastic polymer and its repeating unit is

        C:-PCTFE is a thermoplastic polymer and its repeating unit is

        D:-PCTFE is a thermoplastic polymer and its repeating unit is

        Correct Answer:- Option-A

Question76:-Which of the following statements is true for PVC-O pipes?

        A:-PVC-O pipes are obtained by the process of molecular orientation of UPVC

to obtain a layered structure

        B:-PVC-O pipes are obtained by turning the layered structure of UPVC into an

amorphous structure

        C:-PVC-O pipes are obtained by the addition of modifying agents to PVC

        D:-PVC-O pipes are obtained by adding oxygen atoms to PVC

        Correct Answer:- Option-A

Question77:-Which of the following will not help in controlling the flow lines in

injection molding?

        A:-Increasing the injection speed, pressure and material temperature

        B:-Round the corners of the mold where wall thickness increases

        C:-Decrease the nozzle diameter to reduce the melt flow rate

        D:-Relocation of mold gates to create more distance between them and the

mold coolants

        Correct Answer:- Option-C

Question78:-Overhead plastic water tanks are manufactured by ___________ process

        A:-Injection molding

        B:-Rotomolding

        C:-Compression molding

        D:-Transfer molding

        Correct Answer:- Option-B

Question79:-The formation of polyurethane involves chemical reaction between

        A:-a di/poly isocyanate and a diol of polyol

        B:-Hexamethylene diamine and methanol

        C:-Hexamethylene diamine and adipic acid

        D:-Terephthalic acid and ethylene glycol

        Correct Answer:- Option-A

Question80:-Which of the following statements is correct?

        A:-LDPE has low degrees of branching

        B:-HDPE has high degree of short and long chain branching

        C:-UHMWPE is made up of extremely long chains of polyethylene, which all

align in the same direction

        D:-UHMWPE is made up of short chains of polyethylene, which all align in the

same direction

        Correct Answer:- Option-C

Question81:-Which among the following test is carried out as per ASTM D 256

        A:-Tensile testing

        B:-Izod impact testing

        C:-Tear Strength testing

        D:-Vicat softening temperature

        Correct Answer:- Option-B

Question82:-As per is 532 : 2006 tension set of cycle tube shall not be more than

        A:-10%

        B:-12%

        C:-15%

        D:-20%

        Correct Answer:- Option-C

Question83:-In tensile testing of a rubber sample using standard dumbbell

specimen, the maximum load observed is 60 N. Find the ultimate tensile strength of

the gague length of specimen = 200mm, thickness of specimen = 2mm and the

wodth of specimen at narrow portion = 633

        A:-5N/

        B:-0.05 N/

        C:-50 kg/

        D:-0.15 N/

        Correct Answer:- Option-A

Question84:-Expression for cure index (ΔtL) in a cure characteristics study using

money viscometer with a large rotor is

        A:-Δ

        B:-Δ

        C:-Δ

        D:-Δ

        Correct Answer:- Option-A

Question85:-According to BIS specification minimum mechanical stability time

required for concentrated NR latex is

        A:-105

        B:-546

        C:-475

        D:-286

        Correct Answer:- Option-C

Question86:-In order to find plasticity retention index samples are aged

        A:-For 30 minutes at 140ºC

        B:-For 48 hours at 100ºC

        C:-For 24 hours at 140ºC

        D:-For 42 minute at 100ºC

        Correct Answer:- Option-A

Question87:-Capacitance of a capacitor made only with two metallic sheets is

increased from 2 F to 5F when the gap between is filled with a polymer. Find the

dielectric constant of that polymer

        A:-10

        B:-2.5

        C:-0.4

        D:-7

        Correct Answer:- Option-B

Question88:-Which among the following has highest iodine adsorption number

        A:-HAF

        B:-SAF

        C:-ISAF

        D:-GPF

        Correct Answer:- Option-B

Question89:-Roll deflection is observed in calendars due to

(i)   The force that pulls calenders rolls apart is higher in middle and less at ends

(ii)   Rolls tend to bend under its own weight

(iii)   Uniformly distributed normal force from the compound

        A:- (i) and (ii)

        B:-(i) only

        C:-(ii) only

        D:-(ii) and (iii)

        Correct Answer:- Option-B

Question90:-In a three roll calender the ratio of speed of middle roll and bottom roll

is 1:1.5. This calender can be used for

        A:-Frictioning

        B:-Topping

        C:-Spreading

        D:-None of the above

        Correct Answer:- Option-A

Question91:-Compression ratio that can be used for rigid PVC extruder is

        A:-3.9:1

        B:-1.2:1

        C:-2.5:1

        D:-10:1

        Correct Answer:- Option-C

Question92:-Which method is used for the production of electric wires

        A:-Vented extrusion

        B:-Cross head extrusion

        C:-Twin screw extrusion

        D:-Blown film extrusion

        Correct Answer:- Option-B

Question93:-Sink mark defect in transfer molding can be eliminated by

(i)   Increasing transfer pressure

(ii)   Increasing charge weight

(iii)   Reducing mold temperature

        A:-(i) only

        B:-(i) and (ii)

        C:-(ii) only

        D:-(i), (ii) and (iii)

        Correct Answer:- Option-D

Question94:-Which among the following gate is preferred for making solid block

type injection molded articles

        A:-Tab gate

        B:-Film gate

        C:-Ring gate

        D:-Pin gate

        Correct Answer:- Option-A

Question95:-Rotors of banbury are

        A:-Intemeshing

        B:-Non Intemeshing

        C:-can be intemeshing or non intemeshing

        D:-Like rolls of two roll mill

        Correct Answer:- Option-B

Question96:-In compounding of rubber using two roll mill, dispersive mixing can be

improved by

(i)   Increasing shear rate

(ii)   Reducing gap between rolls

(iii)   homogenization

        A:-(i) only

        B:-(iii) only

        C:-(i), (ii) and (iii)

        D:-(i) and (ii)

        Correct Answer:- Option-D

Question97:-Uniform thickness of extrusion blow molded articles are achieved by

(i)   Extruding parison with uniform thickness

(ii)   Applying high blowing pressure

(iii)   Parison programming

        A:-(i) only

        B:-(ii) and (iii)

        C:-(iii) only

        D:-(i), (ii) and (iii)

        Correct Answer:- Option-C

Question98:-Forming temperature of polypropylene used for thermoforming is

        A:-80-110ºC

        B:-140-165ºC

        C:-175-210ºC

        D:-Any temperature above

        Correct Answer:- Option-B

Question99:-Identify the combination of chemicals that can be used for RIM

        A:-Hexamethylene diamine and adipic acid

        B:-Terpthalic acid and ethylene glycol

        C:-Poly(propylene oxide) triol and methylene diphenyl diisocyanate

        D:-Ethylene oxide and diphenyl guanidine

        Correct Answer:- Option-C

Question100:-Sequence of addition of compounding ingredients in early oil addition

method

(i)   Elastomer

(ii)   Liquid ingredients

(iii)   Dry ingredients

        A:-(i), (ii), (iii)

        B:-(ii), (i), (iii)

        C:-(iii), (ii), (i)

        D:-(i), (iii), (ii)

        Correct Answer:- Option-D

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