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.
055/2016
55. Which capacitor is used for starting of a single phase motor ?
A) ceramic capacitor
B) paper capacitor
C) mica capacitor
D) electrolytic capacitor
56. No-load current of an induction motor is approximately
A) 30% the full load current
B) 40% of full load current
C) 60% of the full load current
D) 90% of the full load current
57. Chatter in an A.C. relay magnet can be eliminated by using
A) lamination
B) U shaped magnetic core
C) matching fixed and movable magnetic limbs
D) shading coil
58. Which kind of bearing is used when a motor is to be mounted horizontally ?
A) radial B) thrust
C) anti-friction D) angular
59. The rotor of a motor runs at 1410 R. P.M. and the synchronous speed is
1500 R.P.M. What is the slip of the motor ?
A) 90 RP.M. B) 3
C) 4 D) 6
60. Turbo alternators usually have
A) 2pole B) 6 poles
0) 8/01 0) 1200165
61. Athree phase, 50 Hz. Induction motor has 8 poles and full load slip is 2.5% find
۲٣۱۹٥۲ 5696
A) 750 R.P.M. B) 741 RP.M.
C) 735 R.P.M. D) 731 R.P.M.
62. Salient pole type rotor construction is usually provided in alternators used in
A) nuclear power stations B) thermal power stations
C) hydro power stations D) allthe above
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