DC Generators When two D.C. generators are running in parallel an equalizer bar is used 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 generated e.m.f. To increase the series flux 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 generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Voltage Amount of current to be collected Speed of armature Type of winding Voltage Amount of current to be collected Speed of armature Type of winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is different for different generators Is similar for all types of generators None of the listed here May be same or different Is different for different generators Is similar for all types of generators None of the listed here May be same or different ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pure dc plus pulsating dc Pure dc Ac Pulsating dc Pure dc plus pulsating dc Pure dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
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