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Control Systems

Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 infinity.
 50.
 20.
 0.

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Control Systems
What is the open loop DC gain of a unity feedback control system having closed loop transfer function as

 13/4
 4/13
 4/9
 9/4

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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is

 10 sec
 4 sec
 100 sec
 400 sec

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Control Systems
Which system is also known as automatic control system?

 Either 1 or 2
 Open loop control system
 Nether 1 nor 2
 Closed loop control system

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Control Systems
The type of a control system is obtained from -------------- transfer function?

 closed loop
 both open loop and closed loop
 open loop
 none of above.

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Control Systems
A transfer function is given as The steady state sinusoidal response will become zero at a frequency response of

 2 rad/s
 3 rad/s
 9 rad/s
 4 rad/s

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