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DC Generators

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

32
8
16
4

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DC Generators
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be

600 V
640 V
580 V
620 V

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DC Generators
In dc generator, the generated voltage depend upon

None of the listed here
Speed only
Both speed and flux
Flux only

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DC Generators
The terminal voltage of a _______ generator vary widely with changes in load current.

Flat compounded
None of the listed here
Shunt
Series

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DC Generators
In a lap winding, the number of the brushes required is equal to

None of the listed here
Number of pairs of poles
Number of poles
Commutator pitch

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DC Generators
The main factor which leads to unstable parallel operation of flat and over compounded generators is

their rising voltage characteristics
unequal speed regulation of their primemovers
unequal number of turns in their series field windings
unequal series field resistances

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