Electrical Machines The power factor of squirrel cage induction motor is both A and B low at rated load only low at light loads only low at heavy loads only both A and B low at rated load only low at light loads only low at heavy loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed falls. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed rises. improve and the speed falls. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means None of these neutralization of residual magnetism. creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. None of these neutralization of residual magnetism. creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Burn. Run at lower speed. Run at normal speed. Not run. Burn. Run at lower speed. Run at normal speed. Not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is star delta. DOL. both A and B. None of these star delta. DOL. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve current level. Improve power level. Improve voltage level. Improve power factor. Improve current level. Improve power level. Improve voltage level. Improve power factor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS