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? 2000W 1820W 1450W 1920W 2000W 1820W 1450W 1920W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the effect of armature reaction ? None of the options. Both option B and C. Armature flux weakens the main field flux. Armature flux distorts the main field flux. None of the options. Both option B and C. Armature flux weakens the main field flux. Armature flux distorts the main field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve current level. Improve power level. Improve power factor. Improve voltage level. Improve current level. Improve power level. Improve power factor. Improve voltage level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. None of them. Shunt. Compound. Series. None of them. Shunt. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited? 30°. 10°. 45°. 24°. 30°. 10°. 45°. 24°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 14 HP. 13 HP. 10 HP. 15 HP. 14 HP. 13 HP. 10 HP. ANSWER DOWNLOAD EXAMIANS APP
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