Electrical Machines A DC generator can be considered as prime mover. rotating amplifier. rectifier. power pump. prime mover. rotating amplifier. rectifier. power pump. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Resistance split phase Capacitor start Shaded pole Capacitor run Resistance split phase Capacitor start Shaded pole Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Speed regulation. Running Torque. Starting torque. Effiency. Speed regulation. Running Torque. Starting torque. Effiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed motor will become slow. It will run in same direction. It will run in opposite direction. motor will not run. motor will become slow. It will run in same direction. It will run in opposite direction. motor will not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is leading power factor unity power factor None of these lagging power factor leading power factor unity power factor None of these lagging power factor ANSWER DOWNLOAD EXAMIANS APP
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