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QUESTIONS

DC Motors
The iron loss in dc motor depends on

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

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DC Motors
The greatest percentage of power loss in a dc motor is due to

Copper loss
Core loss
Friction loss
Windage loss

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DC Motors
The friction and windage losses in a dc motor depends upon

Field and armature resistance
Flux
Speed
Armature current

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DC Motors
Dc series motors are used in those applications where _____ is required.

Constant speed
Low no load speed
High starting torque
None of the listed here

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DC Motors
______ motors never use belt connected loads.

Differentially compounded
Series
Shunt
Cummulative compounded

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