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Control Systems

Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is

 5 sec
 1 sec
 ∞ sec
 25 sec

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Control Systems
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?

 1
 0
 infinite
 0.83

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 capacitance.
 inductance.
 voltage.
 flux.

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Control Systems
Settling time for 5% tolerance band is -------------

 2T.
 4T.
 3T.
 5T.

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Control Systems
The output of the system has an effect upon the input quantity, then the system is a

 open loop control system.
 closed loop control system.
 either 1 or 2.
None of these

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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

 0.35.
 0.16.
 0.25.
 0.49.

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