Electrical Machines For high current and low current rating which winding is employed to DC machine? Both lap and wave winding Lap winding None of above Wave winding Both lap and wave winding Lap winding None of above Wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. pulsating. triangular. flat topped. sinusoidal. pulsating. triangular. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic neutral plane. Magnetic field neutral pole. Magnetic neutral pole. Magnetic field neutral plane. Magnetic neutral plane. Magnetic field neutral pole. Magnetic neutral pole. Magnetic field neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 5% 4% 25% 2% 5% 4% 25% 2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is blowers. jaw crushers. lifts and hoists. paper mills. blowers. jaw crushers. lifts and hoists. paper mills. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer core is made up of a silicon steel laminations which has maximum flux density 1 Tesla. If it was cold rolled grain oriented its flux density increases to 1.6 Tesla. What is the saving in core size or area due to cold rolled grain oriented process? 38% 40% 68% 60% 38% 40% 68% 60% ANSWER DOWNLOAD EXAMIANS APP
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