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Control Systems

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

 e-5s.
 1/(s-5).
 1/(s+5).
 e5s.

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Control Systems
Weighting function is in terms of -----------------

 Laplace transform of the parabolic response
 Laplace transform of the ramp response
 Laplace transform of the step response
 Laplace transform of the impulse response

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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value?

 0
 3/5
 1/4
 1

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Control Systems
Which of the following controller has sluggish response?

 both 2 and 3
 integral controller
 proportional controller
 derivative controller

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Control Systems
A transfer function has its zero in the right half of the s-plane. The function

 is minimum phase
 is positive real
 will give stable impulse response
 is non-minimum phase

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Control Systems
Lead network is used to

 increase bandwidth.
 improve transient response.
 both A and C.
 improve steady state response.

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