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 'ELECTRICIAN /PUMP OPERATOR REVENUE' And exam conducted in the year 2015. And Question paper code was '231/2015'. 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.
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Which element is used as semiconductor 1
வ் பறைய (8) Plastic
(©) Silicon (D) Tungsten
Highest dopped region in a transistor is :
(A) Emitter (B) Base
(C) Collector (D) All equally
Energy radiated continuously in the form of light-waves is called :
(A) Lumen (B) INumination
(€) Luminous intensity (D) Luminous — flux
‘What is the working temperature of a thoriated tungsten filament?
(A) 1600°C (8) 1700°C
(C) 1800-0 (D) 20000
Impurities in an electrolyte can cause an internal short-circuit condition called :
(ക) Electrolysis © Depolarization
(£) Polarization (D) Local action
. Permanent magnets are normally made of :
வ. Aluminium 18) Wrought iron
(C) Cast iron (D) Alnico alloys
Induction instruments have found widest application as :
(ക) സല hour meter (13) Frequency meter :
(0) Voltmeter (D) Ammeter
The power factor of an ordinary electric bulb is :
(&) Zero ര 15%
(ಉಲಿ Lagging (D) Leading
Function of a relay 15 :
ക്ര Fault detection (B) Energize the tripping cireunit
(©) Both (A) and (B) (D) None of the above
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