DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Armature winding Slip rings Field winding Commutator Armature winding Slip rings Field winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They reduce armature reaction They have longer life They reduce sparking They have lower resistance They reduce armature reaction They have longer life They reduce sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The armature Partly in pole faces, partly in armature The pole faces of main poles None of the listed here The armature Partly in pole faces, partly in armature The pole faces of main poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Series motor Differentially compounded motor Cummulative compounded motor Shunt motor Series motor Differentially compounded motor Cummulative compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Both flux and speed None of the listed here Speed only Flux only Both flux and speed None of the listed here Speed only Flux only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS