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 ELECTRICAL WING' And exam conducted in the year 2016. And Question paper code was '055/2016'. 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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055/2016
Potential transformer and current transformer are
A) power transformer B) instrument transformer
C) indoor transformer D) outdoor transformer
Inter-poles are provided to
A) generate the e.m.f. B) operate in overload
C) economical basis D) improve commutation
Which of the following method is used to control the speed of shunt motor below
than its rated speed ?
A) field control B) armature control
C) taped field control D) field and armature control
The starting winding is opened by a centrifugal switch when the motor has
come up to about
A) 75% of synchronous speed B) 100% of synchronous speed
C) 50% of synchronous speed D) 1/3 of synchronous speed
. Outer cage of squirrel cage motor is made up of
A) brass B) copper
C) aluminum D) bronze
. In star connection the supply voltage is reduced as
1 1.4
A times 8) _ 1765
) छ ) 2
1 2.
C) — times D) = times
) 3 ) 3
In the three-point starter the hold ON coil is connected in the
A) armature circuit B) field circuit
C) across the main supply D) inbetween the armature andfield circuit
. To magnetize a steel is difficult because of its
A) high density B) high retentivity
C) high permeability D) low permeability
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