DC Motors In dc machines fractional pitch winding is used To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Operating speed All of these Full-load current Starting torque Operating speed All of these Full-load current Starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Air compressors Electric traction Pumping sets Machine shops Air compressors Electric traction Pumping sets Machine shops ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque Frequent on-off cycles High starting torque Variable speed Low starting torque Frequent on-off cycles High starting torque Variable speed 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? Frame Stator Shaft Commutator Frame Stator Shaft Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss Armature copper loss Windage loss None of these Field copper loss Armature copper loss Windage loss None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS