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DC Generators

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

Pulsating
Sinusoidal
Triangular
Flat topped

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DC Generators
Stray losses consist of

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

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DC Generators
In case of D.C. machine winding, number of commutator segments is equal to

Number of armature coils
Number of armature coil sides
Number of armature conductors
Number of armature turns

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DC Generators
An exciter for a turbo generator is a

Separately excited generator
Series generator
Compound generator
Shunt generator

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DC Generators
The armature winding of a dc machine is place on the rotor to ______

Save iron
Facilitate commutation
Reduce losses
Reduce armature reaction

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DC Generators
The resistance of armature winding depends on

Number of conductors
Length of conductor
Cross sectional area of the conductor
All of the listed here

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