Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will start working as induction motor. come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. come to stand still. continue to work as synchronous motor with same direction of rotation. continue to work as alternator but the direction of rotation will reverse. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by high loads low voltage supply improper design of stator laminations harmonics developed in the motor high loads low voltage supply improper design of stator laminations harmonics developed in the motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will either increase or decrease None of these decrease increase either increase or decrease None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of single phase induction motor. low horse power motor. high speed motor. high torque motor. single phase induction motor. low horse power motor. high speed motor. high torque motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 15 %. 2.5 %. 10 %. 20 %. 15 %. 2.5 %. 10 %. 20 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. maximum torque. starting torque. none. electromagnetic torque. maximum torque. starting torque. none. ANSWER DOWNLOAD EXAMIANS APP
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