Test: Control System- 3 - Electrical Engineering (EE) MCQ
25 Questions MCQ Test - Test: Control System- 3
For the given system, how can be steady state error produced by step disturbance be reduced ?
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If the gain of the open loop system is doubled, thegain margin of the system is
Which one of the following is not a property ofroot loci ?
Match List-I (System G(s) with List-II (Nature of response) and select the correct answer using
the code given below the lists:
Given a unity feedback system with 
what is the value of K for adamping ratio of 0.5 ?
damping ratio of 0.5 ?
What is the steady state error for a unity feedback control system having 
due to unit ramp input ?
For which one of the following, given physical realization corresponds to PD controller ?
A phase lead compensating network consists of only capacitors and resistors, The locations of its pole and zero in s -plane are at Pc and Zc respectively. Which of the following conditions must be satisf4ied ?
A composite R-C network yielded the following transfer function when calculated from its components :
The network can be used ad which one of the following ?
Which one of the following is a disadvantage ofproportional controller ?
The open loop transfer function of a unity negative feedback control system is given
Which is the value of K which causes sustainedoscillations in the closed loop system ?
For a stable system, what are the restrictions onthe gain margin and phase margin ?
For a given unity feedback system with 
axis intercept for locus asymptotes ?
A controller transfer function is given by C(s) =(2s+1)/ (0.2s+1). What is its nature andparameter ?
What is the number of root-locus segments whichdo not terminate on zeros ?
The characteristic polynomial of a system isq(s) = 2s5 + s4 + 4s3 + 2s5 +2s+ 1
Which one of the following is correct ?
For the unity feedback system with 
,what is the steady State error resulting from an input 10t ?
A system with gain margin close to unity or aphase margin close to zero is
The open loop transfer function of a unity feedback control system is
What is the value of K for its stable operation ?
Match List-I (Shape of nyquist Plot) with List-II (grain margin) and select the correct answer using the codes given below the lists:
Which one of the following is correct ?The root locus is the path of the roots of thecharacteristic equation traced out in the s-plane
Consider the function 
is the Laplace transform of (t). What is the steady state value of f(t) ?
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