DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field Both electrical and magnetic fields None of the listed here Electric field Magnetic field Both electrical and magnetic fields None of the listed here Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 6 8 2 4 6 8 2 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 Shifting of axis of brushes Interpoles Compensating winding Dummy coils Shifting of axis of brushes Interpoles Compensating winding Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Stray loss Variable loss None of the listed here Constant loss Stray loss Variable loss None of the listed here Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 8 pole 4 pole 2 pole 6 pole 8 pole 4 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS