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DC Generators

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

Flat topped
Sinusoidal
Pulsating
Triangular

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DC Generators
An exciter for a turbo generator is a

Compound generator
Separately excited generator
Series generator
Shunt generator

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DC Generators
Dc machines which are subjected to abrupt changes of load are provided with

Interpole windings
Compensating windings
Equalisers
Copper brushes

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DC Generators
An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______

1600
3200
100
800

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DC Generators
Small dc machines generally have _____ poles.

6
8
4
2

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DC Generators
A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is

1 Ω
0.055 Ω
0.025 Ω
0.5 Ω

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