Electrical Machines The heat transfer by convection in a transformer least depends on air velocity. temperature difference. surface area. color of the paint. air velocity. temperature difference. surface area. color of the paint. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase to ground fault. line to ground fault. line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. line to line fault. 3 - phase fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Cage induction motor. Shaded pole IM. Split phase IM. Synchronous motors. Cage induction motor. Shaded pole IM. Split phase IM. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is more expensive for same KW output rating ? AC single phase motor. Synchronous motor. Induction motor. DC Shunt Motor AC single phase motor. Synchronous motor. Induction motor. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high speed motor. high torque motor. single phase induction motor. low horse power motor. high speed motor. high torque motor. single phase induction motor. low horse power motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor start Shaded pole Resistance split phase Capacitor run Capacitor start Shaded pole Resistance split phase Capacitor run ANSWER DOWNLOAD EXAMIANS APP
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