DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? None of these Windage loss Field copper loss Armature copper loss None of these Windage loss Field copper loss Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Copper losses Hysteresis losses Eddy current losses Windage losses Copper losses Hysteresis losses Eddy current losses Windage losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Produce flat characteristics Decrease speed Reduce sparking Increase speed Produce flat characteristics Decrease speed Reduce sparking Increase speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Winding Size of conductor Commutator Yoke Winding Size of conductor Commutator Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Economical Efficient Suitable for getting speeds above the normal Unsuitable for rapidly changing loads Economical Efficient Suitable for getting speeds above the normal ANSWER DOWNLOAD EXAMIANS APP
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