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Control Systems

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

 10.
 infinity.
 50.
 0.

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

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

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Control Systems
Angle of asymptotes for complimentary root locus is

 (2q+1)*180/P
 (2q)*180/P
 (2q+1)*180/(P-Z)
 (2q)*180/(P-Z)

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Control Systems
The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to

 infinite.
 2.
 zero.
 5.

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Control Systems
In a control system, an integrator is represented by

 1 / s2.
  1 / s.
  s.
  s2.

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Control Systems
A property of phase lead compensation is that the

 rise time of closed loop system is reduced.
 gain margin is reduced.
 bandwidth of closed loop system is reduced.
 overshoot is increased.

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