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 GR I REVENUE' And exam conducted in the year 2015. And Question paper code was '227/2015'. 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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If the frequency is 50 Hertz. What is the time taken to complete one cyele?
{A) 0.2 second (1) 0.02 866076.
(0) 28 (D) 0.002 8600೫
೩1] ೬೮. 1010086 070 current are measured by meters. Which of the following value is
indicated by measuring instruments?
(2) Average value (B) Maximum 38118
(0) R.M.S value (D) Peak value
A coil has an inductance of 0.1 Henry and it connected to the 230V, 60Hz. A.C supply. What
is the value of inductive reactance?
ക്ര 31,04 00/71 ⋅ (B) 23.04 ohm
(C) 2300 ochm (D) 3.1ohm
In a three phase system voltage across phase to phase is called :
(A) EMF (B) Terminal Voltage
(C) Phase voltage (D) Line Voltage
What is the relation between frequency, speed and number of poles in an alternator?
(4) 7 (B) 0۵
(©) N=120/ © 20
How many number of slip rings are required for a rotating field type 3 phase alternator?
ಯ) 6 ® 2
© 8 2) 8
What is the feature of salient pole rotor used in an 8100781017
(ക) Smaller in length and iarger in diameter
(B) Smaller in diameter and larger in length
(~) Smaller in diameter and smaller in length
(D) Larger in diameter and larger in length
What 1s the working principle of two winding, transformer?
(A) Self induction (B) Mutual induction
(0) Principle of motor (D) Lenz's law
5 227/2015
[P.1.0.]
