DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same kW rating The same operation r.p.m. Same percentage regulation The same drooping voltage characteristics Same kW rating The same operation r.p.m. Same percentage regulation The same drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. None of the listed here Less weight than More weight than The same weight as None of the listed here Less weight than More weight than The same weight as ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Salient pole arrangements None salient pole arrangements None of the listed here Both salient and non salient pole arrangements Salient pole arrangements None salient pole arrangements None of the listed here Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 4 8 2 6 4 8 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Wrong direction of rotation Open field Speed too high No residual magnetism Wrong direction of rotation Open field Speed too high No residual magnetism ANSWER DOWNLOAD EXAMIANS APP
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