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Control Systems
Consider a network function H(s) = 2(s+3)/{(s+2)(s+4)}. What is the steady state response due to step input?
1
4/3
3/4
1/2
1
4/3
3/4
1/2
Answer
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Related Question
Control Systems
The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator?
sin-1((1 - α)/(1 + α)
tan-1((1 - α)/(2√α)
cos-1((1 - α)/(1 + α)
both 1 and 3
sin-1((1 - α)/(1 + α)
tan-1((1 - α)/(2√α)
cos-1((1 - α)/(1 + α)
both 1 and 3
Answer
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Control Systems
Find the stability for the following transfer function G(s) = 50/s(s+5) ?
Stable
Marginally stable
Unstable
Critically stable
Stable
Marginally stable
Unstable
Critically stable
Answer
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Control Systems
The output of the system has an effect upon the input quantity, then the system is a
None of these
either 1 or 2.
open loop control system.
closed loop control system.
None of these
either 1 or 2.
open loop control system.
closed loop control system.
Answer
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Control Systems
The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to
e-tu(t).
(0.5)e-2tu(t).
e-2tu(t).
2e-tu(t).
e-tu(t).
(0.5)e-2tu(t).
e-2tu(t).
2e-tu(t).
Answer
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Control Systems
Which of the following is/are the characteristics of negative feedback control system?
All of these
Rejection of disturbance signals
Reduction in gain at the expense of better stability
Low sensitivity to parameter variations
All of these
Rejection of disturbance signals
Reduction in gain at the expense of better stability
Low sensitivity to parameter variations
Answer
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