Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Director (Plastic)' And exam conducted in the year 2023. And Question paper code was '139/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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:-lsobutene, isoprene
B:-lsobutadiene, isoprene
C:-lsobutylene, isoprene
D:-lsobutylene, Ilsobutadiene
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