Electrical Machines Which of the following is not a part of transformer? Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 3 Hz. 10 Hz. 50 Hz. 2 Hz. 3 Hz. 10 Hz. 50 Hz. 2 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque angle of a synchorous machine operating from a constant voltage bus is usually defined as the space angle between Stator mmf wave and resultant mmf wave. Stator mmf wave and resultant flux density. Rotor mmf wave and resultant flux density wave. Rotor mmf wave and stator mmf wave. Stator mmf wave and resultant mmf wave. Stator mmf wave and resultant flux density. Rotor mmf wave and resultant flux density wave. Rotor mmf wave and stator mmf wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. provide ease of fabrication. increase the strength of rotor bars. reduce the magnetic hum and locking tendency of rotor. decrease the amount of copper to be used. provide ease of fabrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 10 Ω 50 Ω 0.1 Ω 100 Ω 10 Ω 50 Ω 0.1 Ω 100 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and windage and friction loss. only for the small copper loss. for core loss and copper loss. for copper loss and windage friction loss. for core loss and windage and friction loss. only for the small copper loss. for core loss and copper loss. for copper loss and windage friction loss. ANSWER DOWNLOAD EXAMIANS APP
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