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DC Generators

DC Generators
High voltage dc machine use _____ winding.

Wave
Either lap or wave
None of the listed here
Lap

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

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

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

Copper lugs
Resistance wires
Insulation pads
Brazing

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DC Generators
The coupling field between electrical and mechanical systems of a dc machine is ______

Both electrical and magnetic fields
None of the listed here
Magnetic field
Electric field

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DC Generators
The dc generator that has poorest voltage is

Over compounded generator
Shunt generator
Series generator
Flat compounded generator

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DC Generators
The main drawback of a dc shunt generator is that

Terminal voltage drops considerably
Shunt field circuit has high resistance
It is expensive
Generated voltage is small

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