Electrical Machines Eb/V ratio of a DC motor is an indication of Effiency. Speed regulation. Running Torque. Starting torque. Effiency. Speed regulation. Running Torque. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is 90o. dependent upon the load. 0o. 180o. 90o. dependent upon the load. 0o. 180o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in choke. thermocouple. generator. transformer. choke. thermocouple. generator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the eddy current loss. hysteresis loss. weight of the stator. both of the above. eddy current loss. hysteresis loss. weight of the stator. both of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses ANSWER DOWNLOAD EXAMIANS APP