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 650 W 625 W 700 W 600 W 650 W 625 W 700 W 600 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is directly proportional to slip not dependent on the slip either of these inversely proportional to slip directly proportional to slip not dependent on the slip either of these inversely proportional to slip ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of aluminium. mild steel. stainless steel. cast iron. aluminium. mild steel. stainless steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is synchronous motor. synchronous generator. asynchronous motor. asynchronous generator. synchronous motor. synchronous generator. asynchronous motor. asynchronous generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when there is no load on the generator. the generator runs on overload. the generator runs on designed speed. the generator runs on full load. there is no load on the generator. the generator runs on overload. the generator runs on designed speed. the generator runs on full load. ANSWER DOWNLOAD EXAMIANS APP