Kerala PSC Previous Years Question Paper & Answer

Title : JUNIOR INSTRUCTOR ELECTRONIC MECHANIC
Question Code : A

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.

page: 4 out of 11
Excerpt of Question Code: 049/2018/OL

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 intemal 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 15 directly proportional to

A:-Number of poles

B:-Applied voltage

C:-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

C:-200 KHz

D:-10.5 KHz

Correct Answer:- Option-C
Question34:-Number of Flip Flips required to construct a MOD-12 counter



B:-6

C:-4

D:-3

Correct Answer:- Option-C
Question35:-The IC 8279 is

A:-DMA controller

B:-PPI

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

A:-SCR

B:-SRAM

C:-ASIC

D:-MOSFET

Correct Answer:- Option-C
Question38:- is nota microprocessor.

A:-8088

B:-8086

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