Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1450W 2000W 1920W 1820W 1450W 2000W 1920W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to greater than one. approx to one. less than one. very low greater than one. approx to one. less than one. very low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? Friction and windage losses Hysteresis losses All of the them Eddy current losses Friction and windage losses Hysteresis losses All of the them Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 1 4 2 8 1 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase gradually and then stay at rated voltage increase to rated voltage and then may decrease decrease remain nearly constant increase gradually and then stay at rated voltage increase to rated voltage and then may decrease decrease remain nearly constant ANSWER DOWNLOAD EXAMIANS APP
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