Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN POLYMER TECHNOLOGY
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN POLYMER TECHNOLOGY' 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.

page: 7 out of 11
Excerpt of Question Code: 031/2015/OL

C:-Both of these
D:-None of these
Correct Answer:-Question Cancelled
Question59:-Which of the following is not good for thermoforming?
A:-PP
B:-PE
C:-PF
D:-PS
Correct Answer:- Option-C
Question60:-Which of the following is the best for uniform filler dispersion?
A:-Two roll mill
B:-Banbury
:-Intermix
D:-Kneader
Correct Answer:- Option-A
Question61:-Viscosity has the unit
A:-Pa. S
B:-N/ sq.m
C:-Mpa
D:-dN.m.s
Correct Answer:- Option-A
Question62:-Decrease of viscosity with increasing shear rate is known as
A:-Newtonian behaviour
-Bingham plastics
C:-Dilatant behaviour
D:-Pseudoplastic behaviour
Correct Answer:- Option-D
Question63:-The unit of shear rate is
A:-meter per second
-Per second
C:-meter per second square
D:-Newton per second
Correct Answer:- Option-B
Question64:-Yield stress is shown by
A:-Pseudoplastic materials
-Dilatant materials
C:-Bingham plastics
D:-Newtonian liquids
Correct Answer:- Option-C
Question65:-Thixotropy is associated with reduction in viscosity
A:-With time at constant shear rate
B:-With shear rate
C:-With time and shear rate
D:-With shear stress
Correct Answer:- Option-A
Question66:-In rheology relaxation time is defined as
A:-Viscosity / modulus
:-Modulus / yield stress
C:-Time for 50% reduction in viscosity
D:-Time for extrudate to recover
Correct Answer:- Option-A
Question67:-Bagley correction is done to account for
A:-Exit effect
-Slip at wall
C:-Stick-slip effect
D:-Entry effect
Correct Answer:- Option-D
Question68:-Apparent shear rate for a capillary flow is related to
A:-Volume flow rate and I/d ratio

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LECTURER IN POLYMER TECHNOLOGY : Video