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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:-Peroxide
Correct Answer:- Option-A
Question29:-The synthetic rubber used in the inner tubes of tyre is
A:-SBR
B:-NR
C:-IIR
D:-Hypalon
Correct Answer:- Option-C
Question30:-Higher acrylonitrile content in NBR leads to
A:-Ilmproved hardness
B:-Good tensile strength
C:-Good oil resistance
D:-All the above mentioned
Correct Answer:- Option-D
Question31:-An example for a homopolymer is
A:-Polybutadiene rubber
B:-Nitrile Rubber
C:-Styrene butadiene rubber
D:-Acrylonitrile butadiene styrene
Correct Answer:- Option-A
Question32:-Buna N is a copolymer of and
A:-Styrene and Butadiene
B:-Acrylonitrile and Butadiene
C:-lsoprene and Isobutylene
D:-Dicyclopentadiene and Isobutylene
Correct Answer:- Option-B
Question33:-Ribbed Smoked sheets are graded according to the standards as per
A:-IS 3708 : 1968
B:-IS 15361 : 2003
C:-IS 5599 : 1999
D:-IS 6450 : 1971
Correct Answer:- Option-B
Question34:-DIN Abrader is used to measure
A:-Tensile strength
B:-Resilience
C:-Abrasion resistance