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Control Systems

Control Systems
The steady state error due to ramp input for a type two system is equal to

 non zero number.
 zero.
 infinite.
 constant.

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Control Systems
For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ?

 0.707
 0.087
 0.87
 0.07

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Control Systems
A transfer function has its zero in the right half of the s-plane. The function

 is minimum phase
 is non-minimum phase
 is positive real
 will give stable impulse response

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Control Systems
For a unity feedback control system open loop transfer function then velocity error constant is

 50.
 0.
 10.
 infinity.

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Control Systems
Which of the following statements is/are true?

 Centroid may be a part of root locus
 both 1 and 2
 nether 1 nor 2
 Centroid may not be a part of root locus

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Control Systems
Which of the following represents the value of resonant frequency (ωr)?

 2*(ωn) √(1-ζ²)
 (ωn) √(1-ζ²)
 (ωn) √(1-2ζ²)
 (ωn) √(1-ζ²/2)

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