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Control Systems

Control Systems
The unit step error coefficient of a system with unity feedback is

 1.
 1/6.
 infinity.
 0.

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Control Systems
Advantages of open loop control system is/are

 reliable.
 simple and economical.
All of these
 accurate.

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Control Systems
Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

 6 dB
 18 dB
 3 dB
 12 dB

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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)?

 infinite
 0.83
 1
 0

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

 2T.
 4T.
 5T.
 3T.

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Control Systems
Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is

 LC.
 RL.
 Any of the above.
 RC.

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