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Control Systems

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?

 infinite
 2
 5
 0

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Control Systems
A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency?

 29.74 ra/s
 31.41 rad/s
 32.16 rad/s
 30.63 rad/s

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Control Systems
A system of constant voltage and constant frequency is called _________________ system.

  feedback.
  zero.
None of these
  infinite.

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

 50.
 10.
 infinity.
 0.

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Control Systems
A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is

 1/s(s+1)2
 (s+1)2/s
 s/(s+1)
 s/(s+1)2

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

 3 dB
 12 dB
 6 dB
 18 dB

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