DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Windage loss Core loss Copper loss Friction loss Windage loss Core loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally 1000 Ω Around 500 Ω Low Infinitely large 1000 Ω Around 500 Ω Low Infinitely large ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Shaft Commutator Stator Frame Shaft Commutator Stator Frame ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Suitable for getting speeds above the normal Efficient Economical Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Efficient Economical Unsuitable for rapidly changing loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Centrifugal pumps Colliery winders Steel rolling mills Elevators Centrifugal pumps Colliery winders Steel rolling mills Elevators ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Air compressors Machine shops Pumping sets Electric traction Air compressors Machine shops Pumping sets ANSWER DOWNLOAD EXAMIANS APP
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