Kerala PSC Previous Years Question Paper & Answer
Page:7
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:-Hardness
Correct Answer:- Option-C
Question35:-ASTM D412 standard defines procedures used to evaluate
properties of vulcanized thermoset rubber and thermoplastic elastomers.
A:-Hardness
B:-Tensile
C:-Compression set
D:-Resilience
Correct Answer:- Option-B
Question36:- indicates the resistance of raw rubber to deterioration during
processing or aging.
A:-FEF
B:-PRI
C:-DPNR
D:-Po
Correct Answer:- Option-B
Question37:-Hardness is measured using
A:-Durometer
B:-UTM
C:-Screw gauge
D:-Abrader
Correct Answer:- Option-A
Question38:-In tensile testing, the standard rate of grip separation in rubbers is
A:-120 + 50 mm/min
B:-75 + 50 mm/min
C:-500 + 50 mm/min
D:-50 + 50 mm/min
Correct Answer:- Option-C
Question39:-The percentage of dirt in ISNR 5 is
A:-0.05%
B:-5%
C:-0.5%
D:-0.005%
Correct Answer:- Option-A
Question40:-Which among the following parameter is considered for grading ISNR?
A:-Dirt Content