Electrical Machines In electric locomotive which of the following motor are used ? Synchronous motor. Shunt motor. DC series motor. Separately compound motor. Synchronous motor. Shunt motor. DC series motor. Separately compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam may or may not be exactly equal to people pitch. none of above. must be exactly equal to people pitch. can never be equal to pole pitch. may or may not be exactly equal to people pitch. none of above. must be exactly equal to people pitch. can never be equal to pole pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called compensating winding. damping winding. common winding. tertiary winding. compensating winding. damping winding. common winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is none. N1 : N2. N12 : N22. 1 : 1. none. N1 : N2. N12 : N22. 1 : 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 250 - 500 W. 50 - 150 W. 10 - 20 W. 200 - 250 W. 250 - 500 W. 50 - 150 W. 10 - 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In large sized DC machines the compensating windings are provided to reduce eddy current losses by providing local short circuits. compensate for the decrease in speed due to increase of load. neutralize voltage induced in coil due to fluctuation of l None of these reduce eddy current losses by providing local short circuits. compensate for the decrease in speed due to increase of load. neutralize voltage induced in coil due to fluctuation of l None of these ANSWER DOWNLOAD EXAMIANS APP
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