DC Generators Shunt generators are most suited for stable parallel operation because of their linear voltage characteristics rising voltage characteristics drooping voltage characteristics identical voltage characteristics linear voltage characteristics rising voltage characteristics drooping voltage characteristics identical voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 8 6 2 4 8 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 4.5% 9.1% 2.8% 11.3% 4.5% 9.1% 2.8% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding High resistance winding material Iron commutator Magnetic material of high permeability Lap winding High resistance winding material Iron commutator Magnetic material of high permeability 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 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