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Control Systems

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

 50.
 infinity.
 0.
 20.

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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

 0.386
 0.263
 0.707
 0.953

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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
 1
 2
 -2

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Control Systems
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by

 1∠0°
 0.5∠10°
 0.5∠0°
 2∠90°

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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.16.
 0.35.
 0.25.
 0.49.

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Control Systems
Which of the following is/are represents the lead compensator?

 both 2 and 3
 (s+2)/(s+5)
 (s+2)/(s+1)
 (s+5)/(s+6)

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