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Automatic Control Systems

Automatic Control Systems
Which of the following is used to obtain output position in a position control system?

Synchro
Strain gauge
Load cell
Thermistor

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Automatic Control Systems
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.

False
True

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Automatic Control Systems
Bandwidth is proportional to speed of response.

True
False

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Automatic Control Systems
Nichols chart consists of

Constant phase angle loci
Magnitude and phase angle loci in log-magnitude versus phase diagram
None of these
Constant magnitude loci

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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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Automatic Control Systems
Transport lag usually exists in

Hydraulic systems and thermal systems
Thermal systems
Thermal, hydraulic and pneumatic systems
Pneumatic systems

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