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 Dummy coils Interpoles Shifting of axis of brushes Compensating winding Dummy coils Interpoles Shifting of axis of brushes Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 2 pole 4 pole 8 pole 6 pole 2 pole 4 pole 8 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Series Shunt Over compounded Flat compounded Series Shunt Over compounded Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Level compounded generator Self-excited generator Separately excited generator All of these Level compounded generator Self-excited generator Separately excited generator All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Mechanical losses Stray losses plus shunt cu loss Stray losses None of the listed here Mechanical losses Stray losses plus shunt cu loss Stray losses ANSWER DOWNLOAD EXAMIANS APP