Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. pole core. under leading pole tip. under the interpole. under trailing pole tip. pole core. under leading pole tip. under the interpole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 3000 rpm. 500 rpm. 3600 rpm. 600 rpm. 3000 rpm. 500 rpm. 3600 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on frequency. excitation. both 1 and 2. load angle. frequency. excitation. both 1 and 2. load angle. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is shunt connected. cumulatively compounded. separately excited. differentially compounded. shunt connected. cumulatively compounded. separately excited. differentially compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 0° 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In 3 - Φ induction motor some times copper bars are placed deep in the rotor to reduce copper loss. improve efficiency. improve power factor. improve starting torque. reduce copper loss. improve efficiency. improve power factor. improve starting torque. ANSWER DOWNLOAD EXAMIANS APP