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DC Generators

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

4
32
16
8

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DC Generators
The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is

4
8
6
2

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DC Generators
A separately excited generator as compared to a self-excited generator

Has exciting current independent of load current
Is more stable
Has all above features
Is amenable to better voltage control

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DC Generators
In a practical dc generator, mechanical efficiency is

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

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DC Generators
Wave wound generators provide

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

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DC Generators
The armature of a dc machine is made of ______

Silocon steel
Soft iron
Cast steel
Wrought iron

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