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Automatic Control Systems

Automatic Control Systems
Bandwidth is proportional to speed of response.

True
False

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Automatic Control Systems
A system is highly oscillatory if

Gain margin is high and phase margin is 180°
Gain margin is close to 1 or phase margin is zero
Gain margin is high
Gain margin is close to 1

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Automatic Control Systems
Robotic manipulator arms mostly use

None of these
Electric motor actuator
Hydraulic actuator
Pneumatic actuator

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

1
less than 1
zero
more than 1

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Automatic Control Systems
Magnetic amplifier is used for

Current amplification
Frequency amplification
Voltage amplification
Power amplification

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Automatic Control Systems
For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.

False
True

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