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Alternators

Alternators
The power factor of an alternator is determined by its

Excitation
Load
Speed
Primemover

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Alternators
A turbo alternator uses ________

None of the listed here
Rotating ac machine winding
Nonsalient pole field structure
Salient pole field structure

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Alternators
The field winding of an alternator is _____ excited.

Both DC and AC
None of the listed here
DC
AC

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Alternators
The alternators driven by _______ do not have a tendency to hunt.

Water turbines
Steam turbines
None of the listed here
Diesel engines

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Alternators
When two alternators are running in exact synchronism, the synchronising power will be

Zero
Unity
Sum of the output of two
None of the listed here

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Alternators
The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators.

Increasing the field excitation
Decreasing the field excitation
Increasing the speed of prime movers
Decreasing the speed of prime movers

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