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Control Systems

Control Systems
Differentiation of parabolic response is a -------------- response?

 parabolic
 step
 impulse
 ramp

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Control Systems
Time constant is defined as the time taken by the response of the system to reach ----------- ?

 100% of the final value
 70.7% of the final value
 50% of the final value
 63% of the final value

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

 -2±j4
 -2,-4
 -2,2
 -2,-2

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Control Systems
Lead compensator is used to improve ------------------

 Transient response
 Steady state response
None of these
 Both 1 and 2

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Control Systems
The system is initially critical damped. If the gain of the system is doubled, then it will exhibit

 under damped characteristics.
 critical damped characteristics.
 undamped characteristics.
 over damped characteristics.

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Control Systems
Find the relation of damped natural frequency (ωd)

 (ωn) √(1-1/ζ²)
 (ωn) √(1-2ζ²)
 (ωn) √(1-4ζ²)
 (ωn) √(1-ζ²)

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