Electrical Machines Swinburne test is conducted under which of the following condition? any of the above no load full load half load any of the above no load full load half load 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? 1435. 1500. 1450. 1440. 1435. 1500. 1450. 1440. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has more magnetic core loss. less magnetic core loss. no magnetic core loss. more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. more copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause heating of rotor. double frequency currents in the rotor. vibrations. All of these heating of rotor. double frequency currents in the rotor. vibrations. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 1.98 0.04, 1.96 0.04, 0.96 0.02, 0.98 0.02, 1.98 0.04, 1.96 0.04, 0.96 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Both lap and wave winding Wave winding None of above Lap winding Both lap and wave winding Wave winding None of above Lap winding ANSWER DOWNLOAD EXAMIANS APP
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