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 'TRADESMAN ELECTRONICS TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '144/2016'. 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.
144/2016
1. The ripple factor of a halfwave rectifier is
(ಸ) 0.482 (8) 0.812 (©) 40.6 (D) 1.21
2. Which of the following is the fastest switching component ?
(ಸ) MOSFET (ए) [घ )© 7 (D) pentode
3. The final power amplifier in a radio transmitter station is usually
(A) Class A (8) Class B )© Class C (D) Class AB
4. पा AM radio receiver, the oscillator frequency is __
(ക) incoming signal — 455 kHz (8) incoming signal + 455 kHz
(८) equal to signal frequency (5) equal to 455 kHz
5. The voltage gain of an emitter follower configuration can not be more than
வ हे (8) 03 (೦) 10 (0) 100
6. The doping concentration in zener diode is
(ಸಿ) very low (8) very high (() مع (D) infinity
7. Binary number system uses symbols.
(५) 6 (B) 10 (೦0) 8 D) 2
8. Trimmer is a variable _
{A) resistor (8) वलाः (C) capacitor (12] nene of these
9. The number of turns in secondary of a - transformer is more than the primary.
(A) step-down (8) step-up (9) 230 ५1०6५ (ಐ) 11 (0 2301
A 3
1.1.0.]
