Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Run at normal speed. Not run. Burn. Run at lower speed. Run at normal speed. Not run. Burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Gross power. Power drawn in KW. Power drawn in KVA. Output power at the shaft. Gross power. Power drawn in KW. Power drawn in KVA. Output power at the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on surface area. air velocity. temperature difference. color of the paint. surface area. air velocity. temperature difference. color of the paint. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load remains unaffected decreases None of these increases remains unaffected decreases None of these increases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? None of these. Single phase induction motor. Poly-phase induction motor. Poly-phase synchronous machine. None of these. Single phase induction motor. Poly-phase induction motor. Poly-phase synchronous machine. ANSWER DOWNLOAD EXAMIANS APP
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