DC Generators Brushes of D.C. machines are made of All of above Hard copper Soft copper Carbon All of above Hard copper Soft copper Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor Cross sectional area of the conductor All 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 kW rating The same drooping voltage characteristics The same operation r.p.m. Same percentage regulation Same kW rating The same drooping voltage characteristics The same operation r.p.m. Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Shunt None of the listed here Flat compounded Series Shunt None of the listed here Flat compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Series generator Shunt generator Compound generator Separately excited generator Series generator Shunt generator Compound generator Separately excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 10 100 150 50 10 100 150 50 ANSWER DOWNLOAD EXAMIANS APP
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