Electrical Machines Transformer action requires a increasing magnetic flux. constant magnetic flux. alternating magnetic lux. alternating electric flux. increasing magnetic flux. constant magnetic flux. alternating magnetic lux. alternating electric flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? Synchronous impedance method. ZPF method. All of these MMf method. Synchronous impedance method. ZPF method. All of these MMf method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5 Ω and back emf of 200 V is 400 A. 44 A. 440 A. 40 A. 400 A. 44 A. 440 A. 40 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve power level. Improve current level. Improve voltage level. Improve power factor. Improve power level. Improve current level. Improve voltage level. Improve power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. air gap flux. speed. power factor. magnetizing current. air gap flux. speed. power factor. magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
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