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 'Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited' And exam conducted in the year 2020. And Question paper code was '012/2020'. 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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An under excited synchronous generator operates at :
(A) Lagging power factor (B) Leading power factor
(C) Unity power factor (D) Lagging or leading power factor
A synchronous generator having E = 1 pu is feeding an infinite bus with voltage,
V = 1.0 pu through a transfer reactance of 0.5, the steady state power limitis :
(ಯ) 2pu ൫ വ്യ
(0) 0.5pu (D) 0.25 एप
The number of turns in the starting winding of a capacitor start motor as compared
to that for split phase motor is :
(A) same (B) more
(൫ 1555 (D) none of the above
The current gain of a common base configuration where I = 5 mA and Ic= 4.5 mAis:
(^) 1.11 © 1
(© 9.9 o 9
In a UJT, p-type emitteris ————— doped.
(A) Lightly (B) Heavily
(C) Moderately (D) None of the above
Holding current of a thyristor is :
(^) Less than latching current (B) More than latehing current
(C) Equal to latching current (D) Zero
The structure of IGBT is :
(^) P-N-P structure connected by a MOS gate
(B) N-N-P-P structure connected by a MOS gate
(ಲ) P-N-P-N structure connected by a MOS gate
(D) N-P-N-P structure connected by a MOS gate
The controlling parameter in a MOSFET is :
മം ட
(©) ولا क) مآ
How many XOR gates are used in a 2 bit full adder circuit?
മ 2 08 3
© 4 ® 5
7 012/2020
[P.T.O.]
