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 TECHNICAL EDUCATION' And exam conducted in the year 2015. And Question paper code was '031/2015/OL'. 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.
D:-Argon
Correct Answer:- Option-C
Question79:-Si 69 is a
A:-Coupling agent
B:-Bonding agent
C:-Tackifier
D:-None of these
Correct Answer:- Option-A
Question80:-Azodicarbonamide is a
A:-Accelerator
B:-Blowing agent
C:-Peptizer
D:-Activator
Correct Answer:- Option-B
Question81:-The primary criterion for choosing blend components 15
A:-Tg must be same
B:-Tg must be close
C:-Cohesive energy density > 1
D:-Solubility parameter must be close
Correct Answer:- Option-D
Question82:-Blend miscibility is studied using a
A:-DMA
B:-DSC
C:-Both of these
D:-None of these
Correct Answer:- Option-C
Question83:-Anisotropy is defined as
A:-Time dependent creep
B:-Strain dependent stress relaxation
C:-Temperature dependent modulus
D:-Direction dependent properties
Correct Answer:- Option-D
Question84:-In short fiber composite extrusion, fibers are oriented circumferentially in a
A:-Diverging die
B:-Converging die
C:-Capillary die
D:-Ribbon die
Correct Answer:- Option-A
Question85:-In blends UCST stands for
A:-Unit component surface thickness
B:-Upper critical solution temperature
C:-Unifiber composite sheet thickness
D:-None of these
Correct Answer:- Option-B
Question86:-Spherulites are related to
A:-Polymer composites
B:-Polymer blends
C:-Polymer crystals
D:-Polymer coatings
Correct Answer:- Option-C
Question87:-For a 70/30 NR/PE blend which phase morphology is more probable?
A:-NR is continuous phase
B:-PE is continuous phase
C:-They form IPN
D:-NR & PE form continuous phase
Correct Answer:- Option-A