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Control Systems
A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
90°
-180°
180°
-90°
90°
-180°
180°
-90°
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)
(-1,0)
(-2,0)
(2,0)
(1,0)
(-1,0)
(-2,0)
(2,0)
Answer
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Control Systems
Negative feedback in a closed loop control system
All of these
reduces gain.
improves disturbance rejection.
reduces sensitivity to parameter variation.
All of these
reduces gain.
improves disturbance rejection.
reduces sensitivity to parameter variation.
Answer
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Control Systems
For a unity feedback control system open loop transfer function then velocity error constant is
10.
50.
infinity.
0.
10.
50.
infinity.
0.
Answer
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Control Systems
The amplitude spectrum of a Gaussian pulse is
Gaussian.
Uniform.
Impulse function.
A sine function.
Gaussian.
Uniform.
Impulse function.
A sine function.
Answer
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Control Systems
Time taken by the response to reach and stay within a specified error is called
Peak time.
Peak overshoot.
Raise time.
Settling time.
Peak time.
Peak overshoot.
Raise time.
Settling time.
Answer
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