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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADES MAN ELECTRONICS TECHNICAL EDUCATION TVM KTYM KKD' And exam conducted in the year 2014. And Question paper code was '172/2014'. 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.
08.
69.
70.
71.
78.
74.
74.
75.
76.
The hum in transformer 15 due to:
(ക) "Hysteresis Loss
(0 Copper Loss
The fastest logic family is:
வ ட
ര الا
Matched pair transistors are used in:
(A) 08611181075
(C) Comparators
The magnetic tapes are made மற மீ
(A) Copper
(C) TFerromagnetic material
The gain of emitter follower is:
@ <1
(0 >1
(0)
(D)
(0)
(D)
(B)
(D)
(B)
1
(B)
(D)
Eddy current loss
None of these
TTL
DTL
Inverters
Rectifiers
Nickel
Silicon
1
None of these
The efficient method of speed control of ac motor is by using:
(ಗ) Triac-Diac
(0 Triac- SCR
The decimal equivalent of (5B)is is:
ക്ര 90
(3 80
According to Boolean algebra, A+A=
(सै) 1
© A
Clock frequency of 8085 microprocessor is:
(A) 17
(C) 4MHz
11
(0)
(1)
(2)
(0)
ம்
യ)
(0)
യ
Diac-SCR
None of these
91
81
o
5 MHz
8 MHz
172/2014
[7.7.01