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DC Generators

DC Generators
In D.C. generators on no-load, the air gap flux distribution in space is

Triangular
Pulsating
Flat topped
Sinusoidal

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DC Generators
The field winding of a dc shunt machine usually caries _______ of the rated current of the machine.

Less than 0.5 %
15 to 25%
2% to 5%
More than 20%

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DC Generators
A shunt generator gives its greatest voltage at

Full load
No load
Half full load
None of the listed here

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DC Generators
The effect of armature reaction is to

Increase the total flux
None of the listed here
Make the air gap flux uniform
Decrease the total flux

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DC Generators
A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____

250 V
360 V
1500 V
60 V

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DC Generators
A triplex wave winding will have parallel paths.

None of the listed here
2
4
6

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