DC Generators The armature copper loss in a dc generator is a None of the listed here Constant loss Variable loss Stray loss None of the listed here Constant loss Variable loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small The same as rated voltage High Zero Small The same as rated voltage High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. None of the listed here Partly open circuit and partly closed circuit A closed circuit An open circuit None of the listed here Partly open circuit and partly closed circuit A closed circuit An open circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ None of the listed here Number of pairs of poles Numbers of poles in the machine 2 None of the listed here Number of pairs of poles Numbers of poles in the machine 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss Constant loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
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