DC Generators In lap winding, the number of brushes is always Half the number of poles Two Double the number of poles Same as the number of poles Half the number of poles Two Double the number of poles Same as the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is None of the listed here Weakend only Weakened as well as distorted Distorted only None of the listed here Weakend only Weakened as well as distorted Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field ANSWER DOWNLOAD EXAMIANS APP
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