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Alternators

Alternators
A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______

1
0.5
None of the listed here
0.866

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Alternators
The number of cycles generated in a 6-pole alternators in one revolution is _______

3
50
None of the listed here
6

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Alternators
For the same rating, the size of low speed alternator is ______that of high speed alternator.

About the same as
None of the listed here
Less than
More than

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Alternators
The number of poles in turbo alternators is usually

12
2
4
50

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Alternators
If the excitation of an alternator operating in parallel with other alternators is decreased, its ______

Pf becomes more lagging
Pf becomes more leading
None of the listed here
Output kW will change

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Alternators
For the same power rating, an alternator is ______that of a dc generator.

None of the listed here
Of the same size as
Larger in size than
Smaller in size than

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