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? 1920W 1820W 2000W 1450W 1920W 1820W 2000W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to high filed circuit resistance. all of these. zero or very low voltage supply. over load. high filed circuit resistance. all of these. zero or very low voltage supply. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque commutation electromechanical energy conversion generation of voltage development of torque commutation electromechanical energy conversion generation of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. where greater load is connected. where constant speed is required. high voltage and low current applications. high current and low voltage applications. where greater load is connected. where constant speed is required. high voltage and low current applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 3-phase induction motor both 1 and 2 None of these 1-phase induction motor 3-phase induction motor both 1 and 2 None of these 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high torque motor. high speed motor. single phase induction motor. low horse power motor. high torque motor. high speed motor. single phase induction motor. low horse power motor. ANSWER DOWNLOAD EXAMIANS APP