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.
D:-Cyanate ester resin
Correct Answer:- Option-B
Question40:-Peroxide cured EPDM compounds are not suitable for microwave
curing because
A:-They are not conductive compounds
B:-The bonds (including C-C cross links) in the rubbers do not produce dipole
moments during vibration
C:-They are non polar rubbers
D:-They release volatiles on curing
Correct Answer:- Option-B
Question41:-In DSC, the is potted against temperature
A:-Temperature rise
B:-Thermal conductivity
C:-Thermal resistivity
D:-Heat capacity Wunderlich B (1990). Thermal Analysis New York: Academic
Press pp. 137-140. ISBN 0-12-765605-7
Correct Answer:- Option-D
Question42:-High strength carbon fibre is produced from
A:-Cellulose
B:-Rayon
C:-Pitch
D:-PAN
Correct Answer:- Option-D
Question43:-High modulus fibres can be prepared by
A:-Extrusion
B:-Solution casting
C:-Solution spinning
D:-Gel spinning
Correct Answer:- Option-D
Question44:-The following method does not give molecular weight distribution
A:-GPC
B:-Fractionation
C:-Light scattering
D:-Osmometry
Correct Answer:- Option-D
Question45:-Rubber elasticity is driven by changes in
A:-Entropy