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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Identify the no. of roots of the characteristic equation lie on the imaginary axis.
97 + 680 +11s° + 654 + 459 + 2452 + 445 + ‰4 = 0:
(A) 0 (B)
© 4 ൬) 6
bo
Determine the approximate gain margin for the system with open loop transfer function
10
88-13
(A) 4048 (8) 2048
(0) -40 48 (0) -2048
2
The behaviour of a unity feedback system with open loop transfer function ಹ +
5 (5 - 1)*(5 + 10)
(^) Stable (B) Unstable
(C) Oscillatory (D) Cannot predict stability.
Identify the kind of singular point at the origin of the system x, = x, 2% = sin (x1) - رد
(A) Focus (B) Node
(C) Saddle point (D) Center
Suggest which among the following frequency be used to sample the signal given below.
y(t) = 10 sin (102) + 2.5 sin (3142) + 3.76 cos (10002) .
(A) 5Hz (B) 10Hz
(C) 200 Hz (D) 1000 Hz
1 1 1
The system ॐ = 8 உட ५ + 8 भ ८ = [1 0[ is
(^) Stable and completely state controllable
(B) Unstable but completely state controllable
(C) Stable but not completely state controllable
(D) Unstable and not completely state controllable
131/2023 16 A