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DC Generators

DC Generators
A shunt generator gives its greatest voltage at

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

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DC Generators
The armature reaction in a dc generator can be increased by increasing the

None of the listed here
Armature current
Field current
Data is insufficient

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DC Generators
Stray losses consist of

None of the listed here
Mechanical and copper losses
Magnetic and mechanical losses
Magnetic and copper losses

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DC Generators
The overall efficiency of a dc generator is maximum when its variable loss is equal to

Iron loss
Stray loss
Mechanical loss
Constant loss

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DC Generators
In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when

There is no load on the generator
The generator runs on overload
The generator runs on full load
The generator runs on designed speed

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DC Generators
Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator?

Eye bolt
Dummy coils
Equalizer rings
Commutator

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