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DC Generators

DC Generators
The O. C. C. of a dc generator is also called its_______ characteristic.

No load saturation
Internal
Performance
External

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DC Generators
A triplex wave winding will have parallel paths.

6
4
2
None of the listed here

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

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

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DC Generators
The commutator segments are connected to the armature conductors by means of

Copper lugs
Insulation pads
Resistance wires
Brazing

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

Copper loss
Eddy current loss
Hysteresis loss
Frictional loss

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

Equal to double the constant loss
None of the listed here
Equal to half of constant loss
Equal to Constant loss

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