Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electrical and Electronics Engineering TechnicalEducation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '131/2023'. 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.
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Which bridge is preferred for measuring the inductance of high Q coils?
(^) Maxwell’s bridge (B) Hay’s bridge
(C) Anderson bridge (D) Wien bridge
There are 4 horizontal and 3 vertical tangencies in a lissajous pattern on an oscilloscope. If
frequency of the horizontal input is 150 Hz, find the frequency of the vertical input :
(A) 120 Hz (B) 162 Hz
(€) 150 Hz (D) 200 Hz
In real time sampling data acquisition system, the bandwidth is limited to :
4 0 بم
2
(0) 2f, 60) ^
Identify the unity feedback system with transfer, whose characteristic equation has root
locus that exist for the entire portion of negative real axis in s-plane :
1 (७2 + 25 + 1) 1 (5 + % + 2)
(A) (8)
(5 + 2): (5 + 10) (& + 2) (5 + 10)
h(s +2) h(s +2)
© s(s* + 2s + 2)(s +10) ©) 5 (52 + ‰ + 2)
Which transfer function has the bode gain plot as shown in figure below :
(A) k(s +5) و k(s + 5)(s +10)
(8 + 1) (5 + 10) (5 + 20) 5 (8 + 1) (5 + 20)
© k(s+5) ೧) _ (8 + 10) (5 + 20) _
5 (8 + 1) (5 + 20) (8 + 1) (5 + 5) (5 + 50)
15 131/2023
[P.T.0.]