DC Generators In D.C. generators the polarity of the interpoles Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator Is different for different generators None of the listed here May be same or different Is similar for all types of generators Is different for different generators None of the listed here May be same or different Is similar for all types of generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same drooping voltage characteristics The same operation r.p.m. Same kW rating Same percentage regulation The same drooping voltage characteristics The same operation r.p.m. Same kW rating Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 640 V 580 V 620 V 600 V 640 V 580 V 620 V 600 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Type of winding Amount of current to be collected Speed of armature Voltage Type of winding Amount of current to be collected Speed of armature Voltage ANSWER DOWNLOAD EXAMIANS APP