Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. variable reluctance motor. switched reluctance motor. induction motor. DC motor. variable reluctance motor. switched reluctance motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 30° 36° 72° 18° 30° 36° 72° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called resonance. crawling. harmonics. cogging. resonance. crawling. harmonics. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? either of these None of these squirrel cage induction motor slip ring induction motor either of these None of these squirrel cage induction motor slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Any of above method. Ward Leonard control. None of above. Rheostatic control. Any of above method. Ward Leonard control. None of above. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
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