Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. DC motor. Synchronous motor. Induction motor. Both A and C. DC motor. Synchronous motor. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imax Vmax to Imin Vmax to Imax Vmin to Imin Vmin to Imax Vmax to Imin Vmax to Imax Vmin to Imin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor has external resistance Ra and Rf in the armature and field circuits respectively. Armature current at starting can be reduced by keeping Ra minimum and Rf minimum Ra maximum and Rf minimum Ra maximum and Rf maximum Rf maximum and Ra minimum Ra minimum and Rf minimum Ra maximum and Rf minimum Ra maximum and Rf maximum Rf maximum and Ra minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1820W 2000W 1450W 1920W 1820W 2000W 1450W 1920W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor will become lagging None of these will become leading will remain the same will become lagging None of these will become leading will remain the same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of total iron losses hysteresis loss eddy current loss copper loss total iron losses hysteresis loss eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP