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Control Systems
When the system gain is doubled the gain margin becomes?
1/2 times
Remains unaffected
None of these
2 times
1/2 times
Remains unaffected
None of these
2 times
Answer
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Related Question
Control Systems
The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are
(-1,0)
(2,0)
(-2,0)
(1,0)
(-1,0)
(2,0)
(-2,0)
(1,0)
Answer
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Control Systems
The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is
8
6
4
2
8
6
4
2
Answer
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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is
0.
50.
infinity.
20.
0.
50.
infinity.
20.
Answer
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Control Systems
Name test signals used in time response analysis?
Impulse.
Unit step.
All of B, C, D.
Unit ramp.
Impulse.
Unit step.
All of B, C, D.
Unit ramp.
Answer
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Control Systems
Which of the following represents the value of resonant frequency (ωr)?
(ωn) √(1-ζ²)
(ωn) √(1-2ζ²)
2*(ωn) √(1-ζ²)
(ωn) √(1-ζ²/2)
(ωn) √(1-ζ²)
(ωn) √(1-2ζ²)
2*(ωn) √(1-ζ²)
(ωn) √(1-ζ²/2)
Answer
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