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Control Systems

Control Systems
For type 1 system with parabolic input, the steady state error is

 finite constant.
 indeterminate.
 infinite.
 zero.

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Control Systems
A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency?

 30.63 rad/s
 32.16 rad/s
 29.74 ra/s
 31.41 rad/s

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Control Systems
The characteristic equation has the following roots for over damped stable system?

 -2,2
 -2,-4
 -2,-2
 -2±j4

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

 2
 5
 3
 1

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/4
 4/5
 3/7
 3/5

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