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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?

 2
 infinite
 0
 5

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Control Systems
Transfer function of zero order hold response is

 (1 / s) × e-st.
 (1 / s) × (1 - e-st).
 (s) × (1 - est).
 (1 / s) × (1 - est).

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

 ∞ sec
 5 sec
 25 sec
 1 sec

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

 10.
 5.
 2.
 1.

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Control Systems
Which system is also known as automatic control system?

 Closed loop control system
 Open loop control system
 Either 1 or 2
 Nether 1 nor 2

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Control Systems
To achieve the optimum transient response, the indicating instruments are so designed as to

 provide damping which is slightly more than the critical value.
 provide damping which is slightly less than the critical value.
 be undamped.
 be critically damped.

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