Kerala PSC Previous Years Question Paper & Answer
Page:10
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 GOVST POLYTECHNICS TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '167/2016'. 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.
81. A system is having a transfer function of عق . What will be its impulse response?
s+a
w t ® €“
ന്തു डॉ o) e
82. The transfer function षः of the circuit shown below 18 :
145. −
∁⋁≖
2RCS लः 2RCS
हि 1+RCS ಡು CS (1+RCS)
1+2RCS 1+ RCS
© CS (1+ RCS) യ 1+2RCS
88. Tor the unity feed back control system whose open loop transfer function is کت the
s(s+
natural frequency of oscillation is :
(ക 2rad/sec (B) 0.5 rad/sec
)0 5 rad/sec (D) 1rad/sec
84. The number of roots on the 668000 25* + हर + 25* + 55 + 1 = 0 ४३६ lie in the right half of
s-plane is: -
മ 2 ೫) 3
© 1 യ 0
88, The loop gain GH of a closed loop system is given hy the following expression ا لاد
s(s+2)(s+4)
The value of K for which the system just becomes unstable is :
ക 0 (8) 30
(2 48 (D) 100
86. For a signal f(f)=15sin 4xf+5cos 874 +36in18 7 ¢, the minimum sampling frequency
should be :
കര 8 B) 9
© 8 D) 16
87. What is the rms value of the following voltage waveform?
مود
க் ह t=> 3 2 ےت
_ %
ಯ) 40V (छ) 50V
(൫ 100V യ 50/4
167/2016 12 A
