Kerala PSC Previous Years Question Paper & Answer
Page:9
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:-Knee voltage
Correct Answer:- Option-A
Question78:-The gain of amplifier in RC phase shift oscillator should be
A:-180
8:-1
C:-28
D:-29
Correct Answer:- Option-D
Question79:-In a PTC thermistor, the temperature at which resistance increases rapidly is known as
A:-Temperature coefficient
B:-Switching point
C:-Break point
D:-Valley point
Correct Answer:- Option-B
Question80:-Forbidden energy gap of Germanium is
A:-0.72 eV
B:-1.12 eV
(:-1.1 ९४
0:-2.1 ९४
Correct Answer:- Option-A
Question81:-Esaki diode is another name for
A:-Schottky Diode
B:-PIN Diode
C:-Tunnel Diode
D:-DIAC
Correct Answer:- Option-C
Question82:-In a signed binary number, the sign used to indicate a negative number is
A:-0
8:-1
C:-00
D:-None of these
Correct Answer:- Option-B
Question83:-Which one is a serial to parallel converter?
A:-Decoder
B:-Multiplexer
C:-De-Multiplexer
D:-Both (1) and (2)
Correct Answer:- Option-C
Question84:-Number of modes of operations in TRIAC
A:-4
8:-2
C:-5
D:-1
Correct Answer:- Option-A
Question85:-Which one is not a networking component?
A:-RS 232
B:-NIC
C:-Router
D:-Bridge
Correct Answer:- Option-A
Question86:-How many bytes of bits addressable locations are present in 8051 microcontroller?
A:-20
B:-16
C:-8
D:-32
Correct Answer:- Option-B
Question87:-Instruction queue size in 8086 is bytes.
൧:-6
8:-8