Kerala PSC Previous Years Question Paper & Answer

Title : JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS INDUSTRIAL TRAINING
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS INDUSTRIAL TRAINING' And exam conducted in the year 2017. And Question paper code was '023/2017/OL'. 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.

page: 7 out of 11
Excerpt of Question Code: 023/2017/OL

Correct Answer:- Option-C
Question58:-In a JFET, *"I_{DSS}" is known as
A:-Drain to source current
B:-Drain to source current with gate shorted
C:-Drain to source current with gate open
D:-None of the above
Correct Answer:- Option-B
Question59:-Which of the following devices has the highest input impedance?
A:JFET
B:-Ordinary transistor
C:-Crystal diode
D:-MOSFET
Correct Answer:- Option-D
Question60:-An SCR is tumed off when
A:-Anode current is reduced to zero
B:-Gate voltage is reduced to zero
C:-Gate is reverse biased
D:-None of the above
Correct Answer:- Option-A
Question61:-A diac is switch.
ಹಸಿ
B:-DC
C:-Mechanical
D:-None of the above
Correct Answer:- Option-A
Question62:-A UJT may be used as
A:-Amplifier
B:-Saw tooth generator
C:-Rectifier
D:-None of the above
Correct Answer:- Option-B
Question63:-The horizontal plates of a CRO are supplied with to observe the waveform of a signal.
A:-Sinusoidal wave
B:-Cosine wave
C:-Sawtooth wave
D:-None of the above
Correct Answer:- Option-C
Question64:-The modulus of a ೧೦೬೧೫೯8
A:-The number of flipflops
B:-The actual number of states in its sequence
C:-The number of times it recycles in a sec
D:-The maximum no of states
Correct Answer:- Option-B
Question65:-The digital circuit that routes its single input signal to one of *2”n" output lines depending ೧೧ the value of 0
control lines
A:-multiplexer
B:-demultiplexer
C:-encoder
D:-data selector
Correct Answer:- Option-B
Question66:-A full adder can be made up of
A:-two half adders
B:-two half adders and a NOT gate
C:-two half adders and a OR gate
D:-two half adders and a AND gate
Correct Answer:- Option-C
Question67:-Which of the following is called the Universal Bias?
A:-Emitter bias
B:-Voltage divider bias

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