DC Motors If a dc motor is comnected across the AC supply it will Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed Run at lower speed Burn due to heat produced in the field winding by eddy currents Not run Run at normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Pump Lathes Punch presses Cranes Pump Lathes Punch presses Cranes 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 Windage losses Eddy current losses Hysteresis losses Copper losses Windage losses Eddy current losses Hysteresis 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 _____ Increase speed Reduce sparking Produce flat characteristics Decrease speed Increase speed Reduce sparking Produce flat characteristics Decrease speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 6 mm 10 mm 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Either can play dominant role Shunt field winding plays dominant role Series field winding plays dominant role Both play equally dominant role Either can play dominant role Shunt field winding plays dominant role Series field winding plays dominant role Both play equally dominant role ANSWER DOWNLOAD EXAMIANS APP
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