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Control Systems

Control Systems
The amplitude spectrum of a Gaussian pulse is

 A sine function.
 Gaussian.
 Impulse function.
 Uniform.

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Control Systems
Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is

 16
 4
 64
 1

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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

 0.
 3.
 4.
 2.

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Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is

 1
 3
 4
 2

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Control Systems
In frequency response analysis of second order system, the error at corner frequency is

 20 log2ξ
 10 logξ
 -10 logξ
 -20 log2ξ

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Control Systems
To achieve the optimum transient response, the indicating instruments are so designed as to

 provide damping which is slightly less than the critical value.
 be undamped.
 be critically damped.
 provide damping which is slightly more than the critical value.

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