DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Stray loss Constant loss Mechanical loss Iron loss Stray loss Constant loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 100% regulation 50% regulation Infinite regulation 1% regulation 100% regulation 50% regulation Infinite regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Copper brushes Equalisers Interpole windings Compensating windings Copper brushes Equalisers Interpole windings Compensating windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils Numbers of conductors None of the listed here Twice the number of poles Number of coils Numbers of conductors None of the listed here Twice the number of poles ANSWER DOWNLOAD EXAMIANS APP
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