1000+ Distributed Control Systems MCQ Questions & Answers Pdf - 1
Question: 1
As compared to an open loop system, a closed loop system is
(A) less accurate as well as less stable
(B) more accurate as well as more stable
(C) less accurate but more stable
(D) more accurate but less stable
Ans: D
more accurate but less stable
Question: 2
In a speed control system, output rate feedback is used to
(A) increase the gain margin
(B) reduce the damping of the system
(C) limit the acceleration of motor
(D) limit the speed of motor
Ans: B
reduce the damping of the system
Question: 3
The transformer function is applicable to
(A) non linear systems only
(B) linear and time invariant systems
(C) linear system only
(D) linear and time variant systems
Ans: B
linear and time invariant systems
Question: 4
Due to positive feedback
(A) stability of the system is reduced but, gain is increased
(B) both stability and gain of the system are reduced
(C) stability of the system is increased but gain is reduced
(D) both stability and gain of the system are increased
Ans: A
stability of the system is reduced but, gain is increased
Question: 5
The industrial controller having the best steady state accuracy is
(A) a rate feedback controller
(B) a proportional controller
(C) an integral controller
(D) a derivative controller
Ans: C
an integral controller
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