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Control Systems

Control Systems
Resonant peak of a marginally stable system is

 finite value
 infinite
 any of the above
 0

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Control Systems
Which of the following are the disadvantages of a closed loop control system?

 Reduces the overall gain.
All of these
 Complex and costly.
 Oscillatory response.

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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is

 1 sec
 ∞ sec
 5 sec
 25 sec

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Control Systems
Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)?

 e-t tant*u(t)
 e-t sint*u(t)
 e-t cott*u(t)
 e-t cost*u(t)

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Control Systems
Error constants of a system are a measure of

 steady state response as well as transient state response.
 transient state response.
 steady state response.
 relative stability.

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Control Systems
The position and velocity error coefficient for the transfer function given below are respectively

 0 and 0.
 0 and infinity.
 50 and 0.
 50 and infinity.

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MORE MCQ ON Control Systems

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