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DC Generators

DC Generators
Current versus time graph for an ideal commutation is a

None of the listed here
Straight line
Parabola
Hydrobola

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DC Generators
In dc generator, the constant losses is equal to

Stray losses plus shunt cu loss
Stray losses
None of the listed here
Mechanical losses

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DC Generators
In D.C. generators, the brushes on commutator remain in contact with conductors which

Lie under interpolar region
Are farthest from the poles
Lie under South Pole
Lie under North Pole

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DC Generators
Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator?

Dummy coils
Equalizer rings
Commutator
Eye bolt

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DC Generators
Laminations of core are generally made of

Case iron
Carbon
Silicon steel
Stainless steel

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DC Generators
In a dc generator, armature reaction _____ pole tip.

Weaknes the flux at the trailing
Weaknes the flux at the leading
Strengthns the flux at the leading
None of the listed here

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