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 'LINEMAN PUBLIC WORKS DEPARTMENT ELECTRICAL WING' And exam conducted in the year 2018. And Question paper code was '020/2018'. 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.
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The composition of Electrician’s solder consists of
(ಹಿ) Tin 60% Lead 40% 8 Tin 40% Lead 60%
(ಲ) Tin 90% Lead 10% (D) Tin 10% Lead 90%
The size of the fan is generally determined by its
(മ) length (8) thickness (C) diameter (D) sweep
An auto transformer works on the principle of
(A) Statically induced emf (3) Self induced emf
(ಲ) Mutually induced emf (D) Dynamically induced emf
At unity power factor, the effect of armature reaction is
(ಹ) Demagnetising (B) Magnetising
(C) Cross magnetising (D) None of these
A current transformer is usually a transformer.
(മ) step down (8) step up (ಲ) shell type (D) isolation
When a moving iron instrument is connected in an AC circuit it indicates
(5) Average value (B) Maximum Value(C) RMS value (D) None of these
The moving coil in a dynamometer type wattmeter is connected ४
(മ) In series with the fixed coil (B) Across the load
(C) In series with the load (D) Across the supply
The type of rotor is used in low and medium speed alternators are 5
(5) smooth cylindrical type (8) non-salient pole type
(ಲ) salient pole type (D) squirrel cage type
The number of slip rings in a rotating field system type alternator is )
@) 2 ® 3 © 4 o 6
020/2018 6
