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QUESTIONS

DC Motors
The iron loss in dc motor depends on

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

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

Copper loss
Friction loss
Windage loss
Core loss

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

Speed
Armature current
Field and armature resistance
Flux

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

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

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DC Motors
______ motors never use belt connected loads.

Series
Cummulative compounded
Shunt
Differentially compounded

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