Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 25 W. 36 W. 28 W. 30 W. 25 W. 36 W. 28 W. 30 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide protection against Low-Voltage. all of above. limit the starting current to a safer value. provide overload protection. provide protection against Low-Voltage. all of above. limit the starting current to a safer value. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 0o. 90o. less than 90o. Greater than 90o. 0o. 90o. less than 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is field winding interpole and compensating windings together interpole winding armature winding field winding interpole and compensating windings together interpole winding armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Series motor Shunt motor Cumulative compound motors Differential compound motor Series motor Shunt motor Cumulative compound motors Differential compound motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V² f f² V V² f f² V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS