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Control Systems

Control Systems
Advantages of open loop control system is/are

 reliable.
All of these
 simple and economical.
 accurate.

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Control Systems
When the system gain is doubled the gain margin becomes?

 2 times
 Remains unaffected
 1/2 times
None of these

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Control Systems
Which of the following is/are the disadvantages of an open loop control system?

 Unreliable.
 Inaccurate.
 both 1 and 2.
None of these

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Control Systems
Time taken by the response to reach and stay within a specified error is called

 Raise time.
 Peak overshoot.
 Settling time.
 Peak time.

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Control Systems
If the bandwidth of the system is very large, the system response is

 independent of bandwidth
None of these
 faster
 slower

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Control Systems
A proportional plus derivative controller

 increases the stability of the system
 improves the steady state accuracy
 both 1 and 2
 has high sensitivity

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