Kerala PSC Previous Years Question Paper & Answer

Title : JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS
Question Code : A

Page:6


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANIC MEDICAL ELECTRONICS' 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: 6 out of 11
Excerpt of Question Code: 023/2017/OL

Question48:-A Binary number 10101 is equivalent to decimal number
A:-19
B:-12
C:-27
D:-21
Correct Answer:- Option-D
Question49:-The number *(12) §
A:-12
B:-20
C:-10
D:-4
Correct Answer:- Option-C
Question50:-The expression ‘bar{(ABC)}* can be simplified as
-‘barA.barB.barC
AB + BC + CA’
“۸8+531۴
D:- barA+barB+barC*
Correct Answer:- Option-D
Question51:-CMOS circuits are extensively used for One chip computers mainly because of their
A:-Low power dissipation
B:-Low cost
C:-High noise immunity
D:-Large packing density
Correct Answer:- Option-D
Question52:-The principal disadvantage of a Piezo electric transducer is that it
A:-can measure only force
B:-cannot measure static conditions
C:-is too small to handle
D:-produces only DC voltage
Correct Answer:- Option-B
Question53:-Loading effect is principally caused by instruments.
A:-high resistance
B:-low sensitivity
C:-high sensitivity
D:-high range
Correct Answer:- Option-B
Question54:-Total internal reflection can take place when light travels from
A:-air to glass
B:-glass to air
C:-rarer to a denser medium
D:-denser to a rarer medium
Correct Answer:- Option-D
Question55:-The structure of an optical fibre consist of
A:-multimode step index
B:-graded index
ingle mode step index
D:-all of the above
Correct Answer:- Option-D
Question56:-Noise margin is expressed in
A:-Decibel

is equivalent to decimal

Correct Answer:- Option-C
Question57:-An X-OR gate produces an output only when its two inputs are
A:-high
B:-low
C:-different
D:-same

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