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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
The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is

 s/(s+1)
 1/(s+1)
 1/s(s+1)
 1/s

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Control Systems
If a body has identical properties all over, it is known as

 isotropic.
 homogeneous.
 none of them.
 elastic.

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Control Systems
The characteristic equation of a control system is given below: The system is

 critical stable
 stable
 marginally stable
 unstable

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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is

 0.8 rad/s
 0.6 rad/s
 2 rad/s
 1 rad/s

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Control Systems
Which of the following is/are represents the lead compensator?

 (s+5)/(s+6)
 (s+2)/(s+1)
 both 2 and 3
 (s+2)/(s+5)

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