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DC Generators

DC Generators
High voltage dc machine use _____ winding.

Lap
Wave
Either lap or wave
None of the listed here

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DC Generators
In a wave winding, the commutator pitch is approximately equal to

Twice the pole pitch
None of the listed here
Pole pitch
Thrice the pole pitch

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DC Generators
In a long shunt compound wound generator , the shunt field is connected in parallel with

Series combination of armature and series field
Series field
Parallel combination of armature and series field
Armature

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DC Generators
The armature of dc machine is laminated in order to reduce

Frictional loss
Copper loss
Hysteresis loss
Eddy current loss

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DC Generators
An exciter for a turbo generator is a

Shunt generator
Separately excited generator
Compound generator
Series generator

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DC Generators
Permeance is the reciprocal of

Reluctance
Resistance
Ampere turns
Flux density

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