Kerala PSC Previous Years Question Paper & Answer
Page:18
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.
Correct Answer:- Option-C
Question96:-Which is used as a co-agent in peroxide curing of rubber?
A:-Ethylene thio urea
B:-Try allyl isocyanurate
C:-Thiuramdisulphide
D:-Thiazoles
Correct Answer:- Option-B
Question97:-What is the function of ethylene thio urea in Chloroprene rubber
compounding?
A:-Acid absorbent
B:-Accelerator
C:-Antioxidant
D:-Activator
Correct Answer:- Option-B
Question98:-Which type of carbon black increases the conductivity of rubber
compounds?
A:-Acetylene black
B:-ISAF
C:-Thermal black
D:-GPF
Correct Answer:- Option-A
Question99:-Which is the most suitable reinforcing filler for fluorocarbon rubbers?
A:-ISAF
B:-Clay
C:-Medium thermal black
D:-Precipitated silica
Correct Answer:- Option-C
Question100:-Which curing system is suitable for saturated rubbers for high-
temperature resistance?
A:-Sulphur-CV system
B:-Sulphur-EV system
C:-Peroxide
D:-Metal oxide
Correct Answer:- Option-C