Kerala PSC Previous Years Question Paper & Answer
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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.
problem caused by littering of used tyres
Correct Answer:- Option-C
Question17:- polymer is suitable for blow moulding
A:-NR
B:-EPDM
C:-Silicone
D:-SBS
Correct Answer:- Option-D
Question18:-The life of an oil sealdepends on ___ property
A:-Compressive modulus
B:-Creep modulus
C:-Compression set
D:-Hardness
Correct Answer:- Option-C
Question19:-For getting the faster cure rate in IIR
A:-we can increase isoprene content
B:-we can halogenate it
C:-both of the above
D:-neither 1 or 2
Correct Answer:- Option-C
Question20:-CR is modified during polymerization to
A:-Reduce its crystallization
B:-Increase cure rate
C:-Increase storage stability
D:-Improve its ageing resistance
Correct Answer:- Option-A
Question21:-The difficult in dispersing silica in diene rubbers is due to
A:-participate-particle interactions in the filler
B:-Hydrophobicity of the filer
C:-Moisture content in the filler
D:-Rubber-rubber interactions
Correct Answer:-Question Cancelled
Question22:-Payne effect is studied using
A:-Dynamic mechanical analysis
B:-SEM
C:-DSC