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.
A:-Natural rubber
B:-Nitrile rubber
C:-Butyl rubber
D:-Neoprene
Correct Answer:- Option-C
Question27:-The most important property of nitrile rubber is
A:-gas impermeability
B:-oil resistance
C:-weather resistance
D:-abrasion resistance
Correct Answer:- Option-B
Question28:- is prominent among elastomers for adhesives because of
its combination of polarity and crystallinity.
A:-Neoprene
B:-Nitrile rubber
C:-Butyl rubber
D:-Natural rubber
Correct Answer:- Option-A
Question29:-Because of the excellent radiation resistance, these rubbers are well-
suited for wire and cable coverings in nuclear applications.
A:-EPDM
B:-Nitrile
C:-CSM
D:-Neoprene
Correct Answer:- Option-C
Question30:-The monomers of polyurethane are
A:-dicarboxylic acid and diamine
B:-diisocyanate and diol
C:-dicarboxylic acid and diol
D:-diamines and diisocyanate
Correct Answer:- Option-B
Question31:-The materials in combination with vulcanising agents reduce the cure
time are
A:-processing aids
B:-anti degradants
C:-accelerators
D:-softners