Electrical Machines If a DC motor is connected across the AC supply it will Run at normal speed. Run at lower speed. Not run. Burn. Run at normal speed. Run at lower speed. Not run. Burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is AC. DC. armature is not present in DC generator. None of these AC. DC. armature is not present in DC generator. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 60 V. 0 V. 20 V. 40 V. 60 V. 0 V. 20 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 600 W 700 W 650 W 625 W 600 W 700 W 650 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A capacitor. A resistor. an inductor. None of these. A capacitor. A resistor. an inductor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between the rotating stator flux and rotor flux. None of these the supply voltage and the back emf. magnetizing electric current and back emf. the rotating stator flux and rotor flux. None of these the supply voltage and the back emf. magnetizing electric current and back emf. ANSWER DOWNLOAD EXAMIANS APP
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