DC Generators The essential condition for parallel operation of two D.C. generators is that they have 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 Same kW rating ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields None of the listed here Magnetic field Electric field Both electrical and magnetic fields None of the listed here Magnetic field Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator? Commutator Eye bolt Dummy coils Equalizer rings Commutator Eye bolt Dummy coils Equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Compensating windings Copper brushes Interpole windings Equalisers Compensating windings Copper brushes Interpole windings Equalisers ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
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