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Control Systems
For a unity feedback control system open loop transfer function then velocity error constant is
infinity.
0.
50.
10.
infinity.
0.
50.
10.
Answer
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Related Question
Control Systems
Which system is also known as automatic control system?
Open loop control system
Either 1 or 2
Closed loop control system
Nether 1 nor 2
Open loop control system
Either 1 or 2
Closed loop control system
Nether 1 nor 2
Answer
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Control Systems
A system is stable for (where GM = Gain Margin and PM = Phase Margin):
GM and PM both -ve.
GM and PM both +ve.
GM -ve.
PM - ve.
GM and PM both -ve.
GM and PM both +ve.
GM -ve.
PM - ve.
Answer
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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
1/s(s+1)2
(s+1)2/s
s/(s+1)
s/(s+1)2
Answer
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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is
5 sec
25 sec
∞ sec
1 sec
5 sec
25 sec
∞ sec
1 sec
Answer
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Control Systems
Which of the following is/are the characteristics of negative feedback control system?
Reduction in gain at the expense of better stability
All of these
Low sensitivity to parameter variations
Rejection of disturbance signals
Reduction in gain at the expense of better stability
All of these
Low sensitivity to parameter variations
Rejection of disturbance signals
Answer
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