Electrical Machines A DC generator without commutator is a DC generator induction motor AC generator DC motor DC generator induction motor AC generator DC motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 10 Hz. 2 Hz. 50 Hz. 3 Hz. 10 Hz. 2 Hz. 50 Hz. 3 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to decrease the amount of copper to be used. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. decrease the amount of copper to be used. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 100W 40W 60W 80W 100W 40W 60W 80W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in steel core. transformer insulating oil. winding conductors and steel structures of transformer. paper insulation in transformers. steel core. transformer insulating oil. winding conductors and steel structures of transformer. paper insulation in transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? reduction in main field flux both B and C reduces the terminal voltage commutation reduction in main field flux both B and C reduces the terminal voltage commutation ANSWER DOWNLOAD EXAMIANS APP
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