DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Permanent magnets None of these Electromagnets Both (A) and (B) Permanent magnets None of these Electromagnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors 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 Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Separately excited generator Level compounded generator Self-excited generator All of these Separately excited generator Level compounded generator Self-excited generator All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Thrice the pole pitch Pole pitch None of the listed here Twice the pole pitch Thrice the pole pitch Pole pitch None of the listed here Twice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
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