Kerala PSC Previous Years Question Paper & Answer
Page:17
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:-Liquid curing method
Correct Answer:- Option-D
Question92:-The usual formula for calculation of tensile strength of rubber
compound is
A:-Breaking load/ cross sectional area at the time of breaking
B:-Breaking load/thickness of the sample
C:-Breaking load/original cross sectional area of the sample
D:-Load at 300% elongation/original cross sectional area
Correct Answer:- Option-C
Question93:-Troughability test is required in
A:-Trolley wheel
B:-Coated fabric
C:-Rail pad
D:-Conveyor belt
Correct Answer:- Option-D
Question94:- and monomers are used in reactions injection molding
process
A:-Aminocaproic acid and water
B:-Diamine and diol
C:-Diisocyanate and polyol
D:-None of the above
Correct Answer:- Option-C
Question95:-Aniline point testing method is used for
A:-MBT
B:-Sulphur
C:-ZnO
D:-Process oil
Correct Answer:- Option-D
Question96:-The most common standard conditioning atmosphere is
A:-23°C and 50% relative humidity
B:-23°C and 65% relative humidity
C:-20°C and 50% relative humidity
D:-20°C and 65% relative humidity
Correct Answer:- Option-A
Question97:-The crosshead speed/strain rate used to for tensile testing of brittle
materials like polystyrene is
A:-500 mm/min