Kerala PSC Previous Years Question Paper & Answer
Page:2
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR MECHANICAL CONSUMER ELECTRONICS INDUSTRIAL TRAINING DEPARTMENT' And exam conducted in the year 2014. And Question paper code was '088/2014'. 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.
10.
11
12.
18.
14.
18.
(4)
0
Percentage of voltage regulation 18 equal to :
Yo =V 100 (8)
சா
0 D)
NL
A JFET is also called as :
(வ) Bipolar transistor (8)
)© Unijunction transistor ر0
SCR has ೫೫ 18701078.
@ 1 (0)
© 3 (1)
Ripple factor of FW rectifier is :
(^) 1 0)
(©) 0.99 D)
Primary colours using in colour Television are :
(ಗ) Red, Green, Yellow (B)
(©) Red, Blue, Viclet (D)
The purpose വ് Limiter Stage in FM receivers is :
(ಗಿ)
നു
(0)
D)
டே %100
L
None 01 the above
Unipolar transistor
Non-polar transistor
0.48
0.6
Red, Green, Blue
Red, Blue, Orange
to limit the frequency variations in the FM signals
to give a boost to the high frequency signals
to limit the amplitude variations in the FM signal
all of the above
Oscillators use :
(ಗಿ)
(0)
(0)
(0)
Degenerative feedback
No feedback
Regenerative feedback
None of the above
In transistor BC 147, first letter ‘B’ indicates that it is :
(ಗಿ)
(7)
(0)
0)
88/2014
Used for audio frequency applications
Used for high frequency applications
A germanium NPN transistor
Made of Silicon
