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Control Systems

Control Systems
What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback

 2
 1
 0
 3

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Control Systems
Negative feedback in a closed loop control system

 improves disturbance rejection.
 reduces sensitivity to parameter variation.
All of these
 reduces gain.

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Control Systems
Transient state analysis deals with -------------

 magnitude of error
 both 1 and 2
None of these
 nature of response

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Control Systems
Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is

 RL.
 LC.
 Any of the above.
 RC.

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

 1/2 times
 2 times
 Remains unaffected
None of these

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Control Systems
Resonant peak of a marginally stable system is

 0
 any of the above
 infinite
 finite value

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