Electrical Machines Total core loss is also called as -------------? Copper loss Hysteresis loss Magnetic loss Eddy current loss Copper loss Hysteresis loss Magnetic loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 0 V 4 V 1 V 2 V 0 V 4 V 1 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imin Vmax to Imin Vmax to Imax Vmin to Imax Vmin to Imin Vmax to Imin Vmax to Imax Vmin to Imax ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. power factor. magnetizing current. air gap flux. speed. power factor. magnetizing current. air gap flux. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. restoring torque. damping torque. mechanical rotatory system. synchronizing power co efficient. restoring torque. damping torque. mechanical rotatory system. synchronizing power co efficient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ slip ring motor has any of the above. wound rotor. double cage rotor. short-circuited rotor. any of the above. wound rotor. double cage rotor. short-circuited rotor. ANSWER DOWNLOAD EXAMIANS APP