Kerala PSC Previous Years Question Paper & Answer
Page:5
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:-Mooney viscometer
Correct Answer:- Option-A
Question23:-The first generation of solution SBR had
A:-Blockiness
B:-Gel content
C:-Crystallinity
D:-lonic cross linking
Correct Answer:- Option-A
Question24:-A non polar rubber which can surpass NR in all aspects is
A:-Poly norbornene
B:-BR
C:-Poly dimethyl butadiene
D:-Poly alkenamer
Correct Answer:-Question Cancelled
Question25:-Upside down mixing is done for
A:-Natural rubber
B:-SBR
C:-BR
D:-Rubbers which soften quickly during mixing
Correct Answer:- Option-D
Question26:-For easy transport and handling, carbon black is
A:-Functionalized
B:-Pelletised
C:-Oxidized
D:-Reduced
Correct Answer:- Option-B
Question27:-ZnO+Steatic acid causes
A:-Increase in cure rate
B:-Increase in cross linking extent
C:-Scorch
D:-Decrease in cure time
Correct Answer:-Question Cancelled
Question28:-The excellent tackiness of NR is due to
A:-Low Tg which leads to high chain mobility
B:-Strain induced crystallization
C:-Protein