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Control Systems
In frequency response analysis of second order system, the error at corner frequency is
10 logξ
-10 logξ
20 log2ξ
-20 log2ξ
10 logξ
-10 logξ
20 log2ξ
-20 log2ξ
Answer
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Related Question
Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is
3/4
3/5
3/7
4/5
3/4
3/5
3/7
4/5
Answer
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Control Systems
Negative feedback in a closed loop control system
reduces gain.
reduces sensitivity to parameter variation.
improves disturbance rejection.
All of these
reduces gain.
reduces sensitivity to parameter variation.
improves disturbance rejection.
All of these
Answer
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Control Systems
In a control system, an integrator is represented by
s.
s2.
1 / s.
1 / s2.
s.
s2.
1 / s.
1 / s2.
Answer
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Control Systems
If a body has identical properties all over, it is known as
homogeneous.
elastic.
isotropic.
none of them.
homogeneous.
elastic.
isotropic.
none of them.
Answer
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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?
60°, 180°, 300°
120°, 180°, 240°
0°, 120°, 240°
0°, 180°, 300°
60°, 180°, 300°
120°, 180°, 240°
0°, 120°, 240°
0°, 180°, 300°
Answer
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