Electrical Machines Open circuit test on transformer gives both 1and 2 hysteresis loss copper loss eddy current loss both 1and 2 hysteresis loss copper loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Triangular and directed towards brush axis. Saddle shape. Peaky in nature. Triangular and directed towards main pole. Triangular and directed towards brush axis. Saddle shape. Peaky in nature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.04 0.2 0.4 0.02 0.04 0.2 0.4 0.02 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 340 A. 460 A. 570 A. 250 A. 340 A. 460 A. 570 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of None of these fractional kW DC machines. DC machines above 10 kW. DC machines bellow 5 kW. None of these fractional kW DC machines. DC machines above 10 kW. DC machines bellow 5 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on air velocity. surface area. temperature difference. color of the paint. air velocity. surface area. temperature difference. color of the paint. ANSWER DOWNLOAD EXAMIANS APP
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