Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because dc machines are comparatively low rating machines. commutator action is not possible otherwise it gives more uniform air-gap flux distribution it reduces field structure iron losses dc machines are comparatively low rating machines. commutator action is not possible otherwise it gives more uniform air-gap flux distribution it reduces field structure iron losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has only shunt field winding. only series field winding. tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. tertiary winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in both the windings are equal All of these EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in both the windings are equal All of these EMF per turn in HV winding is more than EMF per turn in LV winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along armature axis. geometrical neutral axis. load axis. magnetic neutral axis. armature axis. geometrical neutral axis. load axis. magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of brass copper copper alloy hard-drawn copper brass copper copper alloy hard-drawn copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? None of these both 1 and 2 below rated speed above rated speed None of these both 1 and 2 below rated speed above rated speed ANSWER DOWNLOAD EXAMIANS APP
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