DC Motors The running speed of a dc series motor is basically determined by Load Field excitation Armature reaction None of the listed here Load Field excitation Armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Differentially compound motor Cumulative compound motor Series motor Shunt motor Differentially compound motor Cumulative compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The gross power The power drawn in kW The power drawn in kVA The output power available at the shaft The gross power The power drawn in kW The power drawn in kVA The output power available at the shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Windage loss Copper loss Friction loss Core loss Windage loss Copper loss Friction loss Core loss ANSWER DOWNLOAD EXAMIANS APP
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