DC Motors In the dc motor the iron losses occur in Commutator Armature Field Brushes Commutator Armature Field Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 15 HP Upto 20 HP Upto 5 HP Upto 10 HP Upto 15 HP Upto 20 HP Upto 5 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque High starting torque Frequent on-off cycles Variable speed Low starting torque High starting torque Frequent on-off cycles Variable speed 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 _____ Decrease speed Reduce sparking Increase speed Produce flat characteristics Decrease speed Reduce sparking Increase speed Produce flat characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Core loss Friction loss Windage loss Copper loss Core loss Friction loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque Full-load current All of these Operating speed Starting torque Full-load current All of these Operating speed ANSWER DOWNLOAD EXAMIANS APP
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