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Control Systems

Control Systems
The compensator would provide a maximum phase shift of

 20o.
 60o.
 45o.
 30o.

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lag compensator, β = 10
 lag compensator, β = 2
 lead compensator, α = 0.1
 lead compensator, α = 0.2

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

 0.
 10.
 infinity.
 50.

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Control Systems
The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to

 e-2tu(t).
 2e-tu(t).
 (0.5)e-2tu(t).
 e-tu(t).

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Control Systems
The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system?

 TYPE I
 TYPE 0
 TYPE II
 TYPE III

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

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

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