DC Generators Laminations of core are generally made of Carbon Case iron Silicon steel Stainless steel Carbon Case iron Silicon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Double the number of poles Same as the number of poles Two Half the number of poles Double the number of poles Same as the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Compensating winding Shifting of axis of brushes Dummy coils Interpoles Compensating winding Shifting of axis of brushes Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Data is insufficient Field current Armature current None of the listed here Data is insufficient Field current Armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce the bulk Insulate the core Reduce eddy current loss Provide the bulk Reduce the bulk Insulate the core Reduce eddy current loss Provide the bulk ANSWER DOWNLOAD EXAMIANS APP