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Automatic Control Systems

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

False
True

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Automatic Control Systems
If poles lie in first quadrant, damping ratio is

More than 1
1
less than 1
Zero

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

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

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Automatic Control Systems
The permanent magnet field system of brushless dc servo- motor is generally on

Either (a) or (b)
Partly on stator and partly on rotor
Stator
Rotor

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Automatic Control Systems
DC tachogenerator can be used in

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

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Automatic Control Systems
The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.

False
True

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