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Control Systems

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

 1/2 times
 2 times
None of these
 Remains unaffected

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Control Systems
What will be the type of the system, if the steady state performance of control system yields a non zero finite value of the velocity error constant?

 type - 0
 type - 1
 type - 2
 type - 3

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

 10.
 infinity.
 50.
 0.

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Control Systems
Transfer function of a control system depends on

 initial conditions of input and output.
 nature of output.
 nature of input.
 system parameters alone.

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Control Systems
Negative feedback in a closed loop control system

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

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Control Systems
With regard to filtering property, the lead compensator is

 high pass filter
 bandpass filter
 low pass filter
 band reject filter

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