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Control Systems

Control Systems
The amplitude spectrum of a Gaussian pulse is

 Impulse function.
 A sine function.
 Gaussian.
 Uniform.

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Control Systems
Which of the following is the electrical analogous element for displacement in force-voltage analogy?

 Charge.
 Flux.
 Current.
 Voltage.

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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

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Control Systems
Which of the following controller is also known as anticipatory controller?

 integral controller
 proportional controller
 both 1 and 3
 derivative controller

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Control Systems
The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is

 4.
 3.
 2.
 0.

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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?

 30°
 45°
 90°
 60°

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