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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor Electronics and Communication Engineering' And exam conducted in the year 2023. And Question paper code was '051/2023'. 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.
051/23
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In a pyrometer, the dead zone is assumed to be 0.125 percent of span. Calibration
can be done from 400°C to 1000°C. Determine the change in temperature expected
before the occurrence can be detected.
A) 0.85°C B) 0.95°C C) 0.75°C D) 0.65°C
Assume a voltmeter (0 to 150 V) has a guaranteed accuracy of 1 percent of full scale
reading. The voltage measured by this instrument is 100 V. Calculate the limiting
error in percent.
A) 1.5 B) 66.67
0) 2 D) None of the above
Construct a parallel circuit with two branches. The current in one branch is 1, = 200+ 7A
and in the other is I, = 200 + 1A. Then the value of total current considering the errors
in |, and I, as limiting errors is
A) 200 B) 400+7A C) 400+1A D) 400 +8A
The steady state error of a control system with unity feedback and transfer
function
Cis) _ 1
(6) 524541
when exited with a unit ramp input is,
A) ०५६०० 8) ©७5 = 1 ©) 6७5 = 2 0) ९७5 =
Consider the first order system with a closed loop transfer function
1
Ts+1
What is the slope of unit step response ५९ att=T, where c(t) is the unit step response
of the system ? at
4) 51. رم 22-1
dt e dt eT
५6 _ © 0௦
چٹ எ
) dt 7 0) dt
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