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Control Systems
Find the relation of damped natural frequency (ωd)
(ωn) √(1-4ζ²)
(ωn) √(1-2ζ²)
(ωn) √(1-ζ²)
(ωn) √(1-1/ζ²)
(ωn) √(1-4ζ²)
(ωn) √(1-2ζ²)
(ωn) √(1-ζ²)
(ωn) √(1-1/ζ²)
Answer
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Related Question
Control Systems
Which of the following transfer functions represent under damped second order systems?
1/(s² + s + 1)
2/(s² + 2s + 2)
4/(s² + 2s + 4)
All of these
1/(s² + s + 1)
2/(s² + 2s + 2)
4/(s² + 2s + 4)
All of these
Answer
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Control Systems
Type and order of transfer function G (s) = K / {s(s + 2)}
1, 1.
1, 2.
0, 2.
2, 1.
1, 1.
1, 2.
0, 2.
2, 1.
Answer
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Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?
a > b, p < q
a > b, p > q
a < b, p >q
a < b, p < q
a > b, p < q
a > b, p > q
a < b, p >q
a < b, p < q
Answer
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Control Systems
The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator?
90°
30°
45°
60°
90°
30°
45°
60°
Answer
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Control Systems
The device necessarily used for automatic temperature control in a furnace is
Auto-transformer.
Any of above.
Thermostat.
Thermocouple.
Auto-transformer.
Any of above.
Thermostat.
Thermocouple.
Answer
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