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 'Tradesman (Polymer Technology)' And exam conducted in the year 2023. And Question paper code was '084/2023/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:-Kevlar
Correct Answer:- Option-D
Question6:-Which of the following polymers can be synthesized by ring opening
polymerization?
A:-Nylon 6
B:-Poly (ethylene terephthalate)
C:-Polyurethane
D:-Polyethylene
Correct Answer:- Option-A
Question7:-Which protein plays a role in the latex coagulation mechanism by
bridging between rubber particles?
A:-Globulins
B:-Hevein
C:-Albumins
D:-Prolamins
Correct Answer:- Option-B
Question8:-ldentify the component which has the maximum composition in the
Hevea rubber latex?
A:-Rubber hydrocarbon
B:-Sugar
C:-Phosholipids
D:-Water
Correct Answer:- Option-D
Question9:-In the production of PLC, yellow pigments can be destroyed by
A:-Spontaneous coagulation
B:-Putrefaction
C:-Fractional coagulation
D:-None of these
Correct Answer:- Option-C
Question10:-The concentration of Ammonia used for preserving field latex is
A:-0.7% by weight on latex
B:-0.2% by weight on latex
C:-0.025% by weight on latex
D:-1% by weight on latex
Correct Answer:- Option-D
Question11:-Which among the tapping system is adopted one or two years before
replanting or replacing crop?