DC Motors The greatest percentage of power loss in a dc motor is due to Windage loss Friction loss Core loss Copper loss Windage loss Friction loss Core loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens Motor will come to stop Nothing will happen to motor This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will come to stop Nothing will happen to motor This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed None of the listed here On armature On yoke in the interpolar gap On yoke in the pole faces None of the listed here On armature On yoke in the interpolar gap On yoke in the pole faces ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Punch presses Pump Cranes Lathes Punch presses Pump Cranes Lathes ANSWER DOWNLOAD EXAMIANS APP