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Automatic Control Systems

Automatic Control Systems
In Bode plots the frequency at which two asymptotes meet is called corner frequency.

True
False

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Automatic Control Systems
DC tachogenerator can be used in

Neither A nor B
Speed control system
Position control system
Both A and B

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Automatic Control Systems
For any transfer function, the constant phase angle loci are

A family of straight lines
A family of circles
Neither (a) nor (b)
Either (a) or (b)

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Automatic Control Systems
In a simple on-off controller with differential gap, the magnitude of differential gap determines

Both (a) and (b)
The life of controller
The level of accuracy
Neither (a) nor (b)

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Automatic Control Systems
For type 1 system the velocity lag error is

Inversely proportional to gain constant
Independent of gain constant
Inversely proportional to bandwidth of system
Directly proportional to gain constant

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Automatic Control Systems
The poles with greater displacement from the real axis correspond to

Higher frequencies of oscillations
Lower frequencies of oscillations
Stable response
Unbounded output

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