Electrical Machines Cross magnetization effects which of the following? reduction in main field flux commutation both 2 and 3 reduces the terminal voltage reduction in main field flux commutation both 2 and 3 reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For successful parallel operation of two single phase transformers, the most essential condition is that their polarities are properly connected KVA ratings are equal percentage impedances are equal turn- ratios are exactly equal polarities are properly connected KVA ratings are equal percentage impedances are equal turn- ratios are exactly equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of Greater than 90o. 0o. 90o. less than 90o. Greater than 90o. 0o. 90o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are 1/3, 1/3 1/√3, 1/3 1/√3, 1/√3 1/3, 1/√3 1/3, 1/3 1/√3, 1/3 1/√3, 1/√3 1/3, 1/√3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects torque but not the voltage both the torque and voltage voltage but not the torque neither the voltage nor the torque torque but not the voltage both the torque and voltage voltage but not the torque neither the voltage nor the torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between the supply voltage and the back emf. None of these the rotating stator flux and rotor flux. magnetizing electric current and back emf. the supply voltage and the back emf. None of these the rotating stator flux and rotor flux. magnetizing electric current and back emf. ANSWER DOWNLOAD EXAMIANS APP
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