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 TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '153/2016'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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60.
61,
62,
63,
64.
65.
Scorch time is :
(A) The time required to cros linking
(8) Total time of compounding
© Time required for a compound fully vulcanize
(D) Safety time before vulcanization starts
While improving Reinforcement of rubber compound :
(A) Increase modulus (8)
(9) Improve specific gravity (D)
| [8 1101 16110168 filler,
(^) Aluminium silicate (B)
(©) Whiting (D)
Reclaimed rubber is produced from :
(A} Rubber compound (B)
(C) Ground vulcanized rubber (D)
In radial tyre carcass, the cords runs at :
(5) 45 degree to the circumstantial line
(ए) 90 degree to the circamstantial line
(6) 60 degree to the circumstantial line
(D) 18D degree to the circumstantial line
Improve heat resistance
Improve oil resistance
Silica
Carbon black
Pre-vulcanized latex
Creep rubber
Ethylene is a plastic, propylene is a plastic. But co-polymerizing ethylene and propylene we
et a rubber, Ethylene Propylene rubber; the reason being :
(A) عد للذ crystalline
{ए} All are amorphous
(C) Ethvlene propylene is amorphous and others are crystalline
(D) Ethylene propylene is crystalline and others are amorphous
The speed ratio of a lab size mixing mill rollers is :
(ಗಿ) 1:19 ® 1:2
عب ©
ற) 1:13
153/2016
7.௦)
