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 'TRADES MAN ELECTRONICS TECHNICAL EDUCATION TVM KTYM KKD' And exam conducted in the year 2014. And Question paper code was '172/2014'. 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.
17,
18.
19.
80.
21.
22,
28.
24.
The local oscillator of a broadeast receiver is tuned to a frequency higher than the Incoming
frequency is:
(^) To allow adequate frequency coverage നു switching
(ए) To permit easier tracking
(¢) To help the image frequency rejection
(D) None of these
Semi conductors like Silicon and Germanium are:
(ಗ) Tetravalent (18) Monovalent
(0 Trivalent (D) Pentavalent
Tunnel diode works on:
(൧) Positive Resistance (18) Negative Resistance
(0) 16/0 1081808೧00 (M) 2೧00 of these
Current through a capacitive load வடட ற்ப respect to the voltage.
(ಯ) Lead {B) Lag
(C) Inphase (0) No Phase relation
Arsenic is a ————— impurity.
(ക Pentavalent (18) Monovalent
(C) Tetravalent (D) കല്ബ്.
Doping of a Semiconductor ————— its electrical conduclivity to a great extend.
(^) Increase (18) Decrease (
(C) Does not Change (D) None of these
The ripple frequency of a half wave rectifier signal is —————— the input frequency.
(A) Same (8) ۶
(0) Twice (D) None of these
When a transistor is in cut- off the collector current will be?
(ಗ) നയന (18) Minimum
പ ' (D) None of these
5 172/2014
[50.൨]
