Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR - ELECTRONIC MECHANIC' And exam conducted in the year 2018. And Question paper code was '049/2018/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.
D:-Decoder IC
Correct Answer:- Option-D
Question29:-The element used to separate transmitting and receiving signals in a single antenna system
A:-Detector
B:-Mixer
C:-Low Noise Amplifier
D:-Duplexer
Correct Answer:- Option-D
Question30:-Which one is not an internal part of PLC?
A:-CPU
B:-Timer
C:-Communication interface
D:-DIMM
Correct Answer:- Option-D
Question31:-In an SCR Holding current is
A:-Equal to latching current
B:-Less than Latching current
C:-Greater than Latching current
D:-Zero
Correct Answer:- Option-B
Question32:-The synchronous speed of a synchronous motor is directly proportional to
A:-Number of poles
B:-Applied voltage
:-Frequency of input voltage
D:-None of these
Correct Answer:- Option-C
Question33:-Bandwidth of an FM radio station
A:-250 KHz
B:-175 KHz
:-200 KHz
D:-10.5 KHz
Correct Answer:- Option-C
Question34:-Number of Flip Flips required to construct a MOD-12 counter
A:-12
-6
C:-4
D:-3
Correct Answer:- Option-C
Question35:-The IC 8279 is
A:-DMA controller
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C:-Interrupt controller
D:-Keyboard and Display Interface
Correct Answer:- Option-D
Question36:-Which logic family has the lowest propagation delay?
A:-Standard TTL
B:-RTL
C:-HTL
D:-Schottky TTL
Correct Answer:- Option-D
Question37:-Anti-fuse is related to
D:-MOSFET
Correct Answer:- Option-C
Question38:- is not a microprocessor.
A:-8088
B:-8086