Kerala PSC Previous Years Question Paper & Answer
Page:10
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-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