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 1920W 1450W 2000W 1820W 1920W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. be unpredictable. decrease. increase remain the same. be unpredictable. decrease. increase remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 5 - 10 F. 2 - 3 µF. 1 - 2 µF. 0.1 µF. 5 - 10 F. 2 - 3 µF. 1 - 2 µF. 0.1 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Rotor current. Slip. Running torque. Line voltage. Rotor current. Slip. Running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve the power factor All of these improve starting torque reduce hunting improve the power factor All of these improve starting torque reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will burn. run at normal speed. not run. run at lower speed. burn. run at normal speed. not run. run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
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