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Control Systems

Control Systems
The amplitude spectrum of a Gaussian pulse is

 Uniform.
 A sine function.
 Impulse function.
 Gaussian.

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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is

 5/(s+1)(s+5)
 1/(s² + 5 + 1)
 1/(s+1)(s+5)
 5/(s² + 5 + 1)

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Control Systems
The system having characteristic equation is used to be an oscillator. What is the value of k?

 2
 1
 4
 3

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Control Systems
A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........?

 1
 5
 2
 3

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Control Systems
Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ?

 S is on root locus
 either 1 or 2
None of these
 S is not on root locus

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Control Systems
Two identical first order systems have been cascaded non interactively. The unit step response of the systems will be

 critical damped
 Over damped
 un damped
 under damped

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