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 'Workshop Instructor/ Instructor Grade II/ Demonstrator/ Draftsman Grade II in Polymer Technology' And exam conducted in the year 2023. And Question paper code was '099/2023/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.
C:-Stearic acid
D:-Lauric acid
Correct Answer:- Option-C
Question21:-Among the following, which is not a co-polymer?
A:-SBR
B:-BR
C:-NBR
D:-IIR
Correct Answer:- Option-B
Question22:-The rubber which is not vulcanized by sulphur is
A:-Neoprene
B:-Nitrile rubber
C:-SBR
D:-Natural rubber
Correct Answer:- Option-A
Question23:-Which rubber has high gum tensile strength?
A:-Polybutadiene
B:-Styrene-butadiene
C:-Natural rubber
D:-Nitrile rubber
Correct Answer:- Option-C
Question24:-Most commercial process for the preparation of polybutadiene employ
A:-Solution polymerisation
B:-Emulsion polymerisation
C:-Bulk polymerisation
D:-Suspension polymerisation
Correct Answer:- Option-A
Question25:-Closed-cell extruded sponges are used in automotive
weather stripping for doors and trunk lids.
A:-SBR
B:-BR
C:-IIR
D:-EPDM
Correct Answer:- Option-D
Question26:-lsobutylene and isoprene are the monomers of