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 'OPERATOR WATER AUTHORITY' And exam conducted in the year 2015. And Question paper code was '119/2015'. 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.
60. The rating of power factor improvement capacitor is in :
(^) Micro farads (B) Farads
(C) KVAR (D) KVA
61. A transistor isa ——————— operated device. &
(A) Current (8) Voltage
(C) Both voltage and current (D) None of the above
62. DC supply is essential for the operation of :
(ക) Mercury vapour lamp (B) صقا عع
(0 Sodium vapour lamp (D) Fluorescent lamp
63. Chatter in an AC relay magnet can be eliminated by using :
(^) Laminator
(B) Shading 0011
(C) ‘U shaped magnetic core
(D) Matching fixed and movable magnetic limbs
64. - [71 this wiring, two lamps should be switched ‘ON’ at a time :
(A) Tunnel wiring (B) Hostel wiring
(0) Godown wiring (D) Corridor wiring
65. For alignment of the job in a lathe machine, we may require small movements (small angular
movements) of the chuck. This could be achieved by using a controller with :
(4) Dynamic brake push-button (B) Regenerative brake push-button
(C) Delay push-button (D) Jogging push-button
66. Degaussing is the process of :
(^) Removing gases from a material
(B) Removing impurities from a magnetic material:
(0 Demagnetizing a metallic part
(D) Demagnetizing a magnet
119/2015 10 A
