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.
C:-The chemical is a simple asphyxiant
D:-The chemical is a serious health hazard
Correct Answer:- Option-D
Question85:-Which part of analytical balance is directly linked with central agate?
A:-Pans
B:-Stirrups
C:-Pointer
D:-Lever
Correct Answer:- Option-D
Question86:-lf the rider is placed at the 10:2 small division from the center of the
beam on the right side, then the effective mass due to the rider is
A:-2 mg
B:-0.002 mg
C:-0.2 mg
D:-2 gm
Correct Answer:- Option-A
Question87:-What is the first remedy for bromine burn accidents in the laboratory?
A:-Wash with water and olive oil
B:-Wash with petrol and apply olive oil
C:-Wash with alkali and waer
D:-Wash with glycerin and alkali
Correct Answer:- Option-B
Question88:-Which laboratory flask is used for Vacuum filtration?
A:-Conical flask
B:-kjheldhal flask
C:-Buchner flask
D:-Pear-shaped flasks
Correct Answer:- Option-C
Question89:-The filled volume of an internal mixer =
A:-Filled volume*Specific gravity of mix
B:-Net chamber volume*Fill factor
C:-Volume cost/density
D:-Total mass/density
Correct Answer:- Option-B
Question90:-Which curing system is suitable for the epoxy resin to obtain high alkali
resistance?