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Control Systems

Control Systems
The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10?

 5
 infinite
 0
 2

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

 50.
 0.
 infinity.
 10.

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Control Systems
The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is

 0
 1
 2
 3

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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?

 60°, 180°, 300°
 120°, 180°, 240°
 0°, 120°, 240°
 0°, 180°, 300°

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Control Systems
The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at

 -2,-2
 -2+j,-2-j
 -2,-1
 -2,2

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Control Systems
The type of a control system is obtained from -------------- transfer function?

 none of above.
 open loop
 closed loop
 both open loop and closed loop

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