Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN ELECTRONICS ENGINEERING NCA TECHNICAL EDUCATION
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN ELECTRONICS ENGINEERING NCA TECHNICAL EDUCATION' And exam conducted in the year 2017. And Question paper code was '052/2017/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: 9 out of 12
Excerpt of Question Code: 052/2017/OL

A:-Active
B:-Saturation
C:-Cutoff
D:-All of the above
Correct Answer:- Option-A
Question73:-The data rate of QPSK is of BPSK.
A:-Thirce
B:-4 times
C:-Twice
D:-Same
Correct Answer:- Option-C
Question7 4:-Asymmetrical astable multivibrartor has R = 100Q and C =0.1mF. The periodic time T is equal to
A:-138 mS
8:-69 705
C:-6.9 mS
0:-13.8 705
Correct Answer:- Option-D
Question75:-Bootstrap sweep circuit generally employs
A:-CE amplifier
B:-Emitter follower
C:-CB amplifier
D:-Tuned amplifier
Correct Answer:- Option-B
Question76:-If = ` ` [[1.0][0.7] and Q="[[0,11[1.0]I" . then PQ is
കഷി ஈண்ற்ப
B:-An identity matrix
C:-A singular matrix
D:-A symmetric matrix
Correct Answer:- Option-D
Question77:-If P = `[[2,31,[5,711 , ೧೮೧ 07-17 ವ
५ [[-2,-3].[-5.-7
8: [[7,-3]-5,2]]
0:-[(-7,31,[5,-2117
0:-`[[2,-5],[-3,71]
Correct Answer:- Option-C
Question78:-The first three terms in the expansion of " (a+bx}~m" are 1, 6x and 16 x"2" respectively (*alpha’ > 0, misa
natural number). Then
Arm=9,b="2/3
B:-m=2,b
C-m=4,b="3/2"
0௨3,0௨2
Correct Answer:- Option-A
Question79:-The value of cot 1°+ cot 89° is
ಹಿಂ
8:-1
@:- 2/6 200
D:-None of these
Correct Answer:- Option-C

cos(A+B) ಟುಟ 0

sin(A+ B+C) snB ഒ?
Question80:-In A ABC, the value of sin B 0 tand | o
A:-—2tanAsin B cos C
B:-0
6:۰0 है.

D:-tan A{tan A-2 sin B cos C)

Correct Answer:- Option-B
Question81:-The x-intercept of the line passing through the point (1, 1) and perpendicular to the line
x—2y+1=0is

ಹಿಡಿ

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