Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is maximum All of these zero minimum maximum All of these zero minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the None of these starting resistance in the starter. stator phases of the motor. rotor at slip rings. None of these starting resistance in the starter. stator phases of the motor. rotor at slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Low load. None of these. Full load. No load. Low load. None of these. Full load. No load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1450. 1435. 1500. 1440. 1450. 1435. 1500. 1440. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 230 V 200 V 460 V 115 V 230 V 200 V 460 V 115 V ANSWER DOWNLOAD EXAMIANS APP
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