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Control Systems

Control Systems
The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is

 1.
 2.
 5.
 10.

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Control Systems
Transfer function of a control system depends on

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

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Control Systems
Lead network is used to

 improve transient response.
 both A and C.
 improve steady state response.
 increase bandwidth.

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Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?

 -1
 -2
 1
 2

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Control Systems
A property of phase lead compensation is that the

 gain margin is reduced.
 bandwidth of closed loop system is reduced.
 rise time of closed loop system is reduced.
 overshoot is increased.

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Control Systems
Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network?

 RC/(1+RCS)
 RCS/(1+RCS)
 C/(1+RCS)
 1/(1+RCS)

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