Electrical Machines Induction motor operation depends on rotating magnetic field. either of these. None of these stationary magnetic field. rotating magnetic field. either of these. None of these stationary magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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 1920W 2000W 1820W 1450W 1920W 2000W 1820W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? decrease either increase or decrease increase None of these decrease either increase or decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Tap changer. Radiator. Commutator. Conservator tank. Tap changer. Radiator. Commutator. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 1500 rpm. 3600 rpm. 3000 rpm. 4000 rpm. 1500 rpm. 3600 rpm. 3000 rpm. 4000 rpm. ANSWER DOWNLOAD EXAMIANS APP
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