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Automatic Control Systems

Automatic Control Systems
DC tachogenerator can be used in

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

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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.

True
False

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

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

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Automatic Control Systems
Bandwidth is proportional to speed of response.

True
False

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

Synchro
Load cell
Thermistor
Strain gauge

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Automatic Control Systems
Which dc servomotor requires strongest permanent magnet?

Either A or B
Surface wound with stationary rotor
Slotted armature
Surface wound armature

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