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 'Lecturer in Polymer Technology (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '120/2023/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.
B:-Enthalpy
C:-Inter chain interactions
D:-Cross links
Correct Answer:- Option-A
Question46:-A rubber is polymer
A:-Crystalline
B:-Amorphous but may crystallize on straining
C:-always crystallizes in stretching
D:-always crystallizes on cooling
Correct Answer:- Option-B
Question47:-Rubber used for IB cap
A:-Silicone Rubber
B:-Natural Rubber
C:-EPDM
D:-None of the above
Correct Answer:- Option-B
Question48:-Inorganic blowing agents release
A:-Carbon dioxide
B:-Nitrogen
C:-Carbon monoxide
D:-None of the above
Correct Answer:- Option-A
Question49:-The rubber used in tyre innreliner
A:-Natural rubber
B:-NR-SBR blends
C:-Bromo butyl Rubber
D:-NR-PBD-SBR blends
Correct Answer:- Option-C
Question50:-Metal oxide crosslinking used in
A:-Silicone rubbers
B:-Chloroprene Rubbers
C:-Natural rubber
D:-NBR
Correct Answer:- Option-B
Question51:-Flat spotting of the tyre occurs in
A:-Aramid chords