DC Generators The purpose of providing dummy coils in a generator is To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz will be of v Hz 5 will be of 5 xiVHz will be zero will be of 5 Hz will be of v Hz 5 will be of 5 xiVHz will be zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Shunt generator Any of the above Long shunt compound generator Series generator Shunt generator Any of the above Long shunt compound generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used 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 To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 100 3200 1600 800 100 3200 1600 800 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
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