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Control Systems

Control Systems
The Laplace transform of a transportation lag of 5 seconds is

 e5s.
 1/(s-5).
 e-5s.
 1/(s+5).

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

 12 dB
 18 dB
 6 dB
 3 dB

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Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as

  undamped system.
  under damped system.
  over damped system.
  critically damped system.

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Control Systems
Negative feedback in a closed loop control system

 reduces gain.
 improves disturbance rejection.
 reduces sensitivity to parameter variation.
All of these

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Control Systems
The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be

 1
 0
 undefined
 infinity

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Control Systems
Differentiation of parabolic response is a -------------- response?

 step
 ramp
 impulse
 parabolic

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