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Control Systems

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

 20.
 50.
 infinity.
 0.

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Control Systems
Which of the following controller is also known as anticipatory controller?

 integral controller
 both 1 and 3
 derivative controller
 proportional controller

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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is

 400 sec
 10 sec
 4 sec
 100 sec

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Control Systems
The following transfer function represents a phase-lead compensator?

 1/s
 (4s+2)/(6s+1)
 (s+4)/(s+6)
 (s+4)/(3s+6)

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

 1/s
 1/s(s+1)
 s/(s+1)
 1/(s+1)

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lag
 lag-lead
 lead-lag
 lead

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