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 'Workshop Instructor/ Instructor Grade II/ Demonstrator/ Draftsman Grade II in Polymer Technology' And exam conducted in the year 2023. And Question paper code was '099/2023/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.
Question70:-Example for a hardener used for epoxy resin is
A:-Diamino diphenyl methane
B:-Azobis isobutyro nitrile
C:-Benzoyl peroxide
D:-Thymoquinone
Correct Answer:- Option-A
Question71:-Which among the following is/are a continuous mixerls?
(0) Two roll mill
(ii) Twin screw extruder
(iii) Banbury mixer
(iv) MVX machine
A:-(i) and (iii)
B:-(i) and (ii)
C:-(ii) and (iv)
D:-(ii) only
Correct Answer:- Option-C
Question72:-Dispersive mixing is
(i) Size reduction of the agglomerates of compounding ingredients
(ii) Uniform distribution of compounding ingredients in rubber
(iii) Achieving lower viscosity compound
A:-(i) only
B:-(ii) only
C:-(i) and (ii)
D:-(i), (ii) and (iii)
Correct Answer:- Option-A
Question73:-Which type of compression mold produce products with lower density?
A:-Positive
B:-Flash
C:-Semi positive
D:-None of the above
Correct Answer:-Question Cancelled
Question74:-In pot transfer molding, compound is transferred from pot to cavity
through a vertical channel called
A:-Nozzel
B:-Sprue
C:-Die
D:-Gate
Correct Answer:- Option-B