DC Generators The field structure of a dc machine uses ______ Both salient and non salient pole arrangements None of the listed here Salient pole arrangements None salient pole arrangements Both salient and non salient pole arrangements None of the listed here Salient pole arrangements None salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Constant loss Iron loss Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. More weight than Less weight than The same weight as None of the listed here More weight than Less weight than The same weight as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same percentage regulation The same operation r.p.m. Same kW rating The same drooping voltage characteristics Same percentage regulation The same operation r.p.m. Same kW rating The same drooping voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Sinusoidal Pulsating Triangular Flat topped Sinusoidal Pulsating Triangular Flat topped ANSWER DOWNLOAD EXAMIANS APP
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