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 'JUNIOR INSTRUCTOR MECHANIC INDUSTRIAL ELECTRONICS INDUSTRIAL TRAINING' And exam conducted in the year 2014. And Question paper code was '097/2014'. 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.
16. Each solar cell has an open voltage :
(A) 03V ೫) 057V
(0) 15% o) 22V
17. is often known as triggering agent for SCR.
(ക) DIAC (B) Transistor
ட (D) Diode
18. The minimum current at which the relay armature is attracted to open the N/C contact is :
(ಗೆ) Energizing current (B) Drop லம வனம்
(೧) De energizing current (D) Reverse current
19. One unit of electrical power consumption is :
(¢) ۷ (B) 1000 Whr
(0 1000 KW (D) 1000 KWhr
20. The PIV across each diode of half wave rectifier in 3 phase system 18 equal to
സ്ലോ.
(^) 4 (8) 1
© 173 o 2
21. A SWG is used to measure :
(ക Diameter of the wire (B} Length of the wire
(0 Insulation of wire ൬) Cross-sectional area of a wire
ഉ. Which of the following circuit can be used as a DC transformer?
(A) SCR (7) Inverter
(0 Magnetic amplifier (D) Demodulator
23. Given a carrier frequency of 100 Khz and modulation frequency of 2Khz the frequencies
present in the AM carrier wave :
(A) 100 Khz, 2 Khz (ए) 100 Khz, 98 Khz, 102 Khz
)© 98 Khz, 102 Khz (D) 100 Khz, 102 Khz
24, Which of the following is not a terminal of 5557
(ಗ) Threshold (B) Control voltage
(C) Discharge (D) Reference voltage
A 5 97/2014
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