Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f V² V f² f V² V f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous motor hysteresis motor reluctance motor 3-phase synchronous generator 3-phase synchronous motor hysteresis motor reluctance motor 3-phase synchronous generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? half load full load any of the above no load half load full load any of the above no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rotating amplifier. power pump. prime mover. rectifier. rotating amplifier. power pump. prime mover. rectifier. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mechanical power is developed by a DC motor is maximum when none of above. back emf is equal to applied voltage. back emf is equal to half of applied voltage. back emf is equal to twice of applied voltage. none of above. back emf is equal to applied voltage. back emf is equal to half of applied voltage. back emf is equal to twice of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Synchronous motor. Capacitor start IM. Split phase IM. Capacitor start capacitor run IM. Synchronous motor. Capacitor start IM. Split phase IM. Capacitor start capacitor run IM. ANSWER DOWNLOAD EXAMIANS APP
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