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DC Generators

DC Generators
An 8 pole duplex lap winding will have ______ parallel paths.

4
16
8
32

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DC Generators
Wave wound generators provide

More current and more voltage
None of the listed here
More current but less voltage
Less current but more voltage

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DC Generators
In a practical dc generator, mechanical efficiency is

None of the listed here
Equal to electrical efficiency
Less than electrical efficiency
More than electrical efficiency

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DC Generators
In a D.C. generator the ripples in the direct e.m.f. generated are reduced by

Using equalizer rings
Using conductor of annealed copper
Using commutator with large number of segments
Using carbon brushes of superior quality

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DC Generators
The rapid wear of brushes takes place due to

Excessive spring pressure
All of these
Rough commutator bars
Abrasion from dust

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DC Generators
A triplex wave winding will have parallel paths.

4
None of the listed here
6
2

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