DC Generators The commutator segments are connected to the armature conductors by means of Brazing Insulation pads Copper lugs Resistance wires Brazing Insulation pads Copper lugs Resistance wires ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Iron loss Constant loss Mechanical loss Stray loss Iron loss Constant loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Frictional loss Hysteresis loss Eddy current loss Copper loss Frictional loss Hysteresis loss Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 0.005 mm 0.05 mm 5 m 0.5 m 0.005 mm 0.05 mm 5 m 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 Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. 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 series flux To increase the generated e.m.f. 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 series flux ANSWER DOWNLOAD EXAMIANS APP
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