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.
latex?
A:-Markham still
B:-Kjheldhal
C:-pH meter
D:-Condenser
Correct Answer:- Option-C
Question80:-Which of the following chemical is used as a coagulating agent in the
VFA number determination of latex?
A:-10% Ammonium sulfate
B:-30% Ammonium sulfate
C:-30% Ammonium acetate
D:-50% Ammonium acetate
Correct Answer:- Option-B
Question81:-What is the function of an Electrostatic precipitator in industries?
A:-Device for pneumatic system
B:-Device for electrical heating
C:-Device for material handling
D:-Device for pollution control
Correct Answer:- Option-D
Question82:-Which of the following is most considered for approved eye protection
in labs?
A:-goggles
B:-goggle glasses meeting ANSI standard Z57
C:-Reading glasses
D:-Goggle glass meeting ANSI standard 287
Correct Answer:- Option-D
Question83:-Which is calculated as the percentage of the specimen's permanent
deformation to its original thickness?
A:-Compression set under a constant deflection
B:-Compression set under a constant force
C:-Tension set under a constant strain
D:-Tension set under a constant force
Correct Answer:- Option-B
Question84:-The hazard rating diamond of a chemical label is marked 3 in the blue
zone. What does this mean?
A:-The chemical is a minimum health hazard
B:-The chemical is moderately explosive