DC Generators The commutator segments are connected to the armature conductors by means of Insulation pads Copper lugs Brazing Resistance wires Insulation pads Copper lugs Brazing Resistance wires ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% More than 20% 2% to 5% Less than 0.5 % 15 to 25% More than 20% 2% to 5% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Slip rings Commutator Solid connection None of above Slip rings Commutator Solid connection None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 1500 V 250 V 60 V 360 V 1500 V 250 V 60 V 360 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS