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Control Systems

Control Systems
When the system gain is doubled the gain margin becomes?

 Remains unaffected
 1/2 times
 2 times
None of these

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Control Systems
For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ?

 0.707
 0.87
 0.07
 0.087

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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?

 5
 0
 infinite
 2

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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/(s+1)
 1/s(s+1)

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Control Systems
Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

 Both 2 and 3.
 RL network.
 LC network.
 RC network.

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Control Systems
Which of the following controller has sluggish response?

 integral controller
 both 2 and 3
 proportional controller
 derivative controller

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