DC Generators In a lap winding, the number of the brushes required is equal to Commutator pitch None of the listed here Number of poles Number of pairs of poles Commutator pitch None of the listed here Number of poles Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here 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 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 To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. Less weight than The same weight as More weight than None of the listed here Less weight than The same weight as More weight than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation ANSWER DOWNLOAD EXAMIANS APP
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