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 Current versus time graph for an ideal commutation is a None of the listed here Parabola Hydrobola Straight line None of the listed here Parabola Hydrobola Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Both of the listed here Indicated by a spark completely around the commutator None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Both of the listed here Indicated by a spark completely around the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be doubled Be quadrupled Remain the same Be halved Be doubled Be quadrupled Remain the same Be halved ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Series generator Flat compounded generator Over compounded generator Shunt generator Series generator Flat compounded generator Over compounded generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Series Shunt Flat compounded Over compounded Series Shunt Flat compounded ANSWER DOWNLOAD EXAMIANS APP
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