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Control Systems

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
The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is

 0.263
 0.386
 0.707
 0.953

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lag
 lag-lead
 lead
 lead-lag

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Control Systems
Time taken for the response to rise from zero to 100 % for very first time is called

 Rise time.
 Peak time.
 Delay time.
 Settling time.

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/4
 3/7
 4/5
 3/5

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Control Systems
Transient response is improved in case of

 none of these.
 lag network.
 lead network.
 both A and B.

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