DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under North Pole Lie under South Pole Lie under interpolar region Are farthest from the poles Lie under North Pole Lie under South Pole Lie under interpolar region Are farthest from the poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by None of the listed here Front pitch Commutator pitch Back pitch None of the listed here Front pitch Commutator pitch Back pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used So that two similar machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Insulating varnish Graphite Mica Paper Insulating varnish Graphite Mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux ANSWER DOWNLOAD EXAMIANS APP
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