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Automatic Control Systems

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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Automatic Control Systems
The addition of a pole to the open loop transfer function pulls the root locus

None of these
Towards right or left depending on the position of new pole
To the right
To the left and making the system more stable

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Automatic Control Systems
DC tachogenerator can be used in

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

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

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

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Automatic Control Systems
Temperature is analogous to

Voltage
None of these
Charge
Flux

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Automatic Control Systems
Lag compensation permits a high gain at low frequencies.

False
True

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