DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current None of the listed here Field current Data is insufficient Armature current None of the listed here Field current Data is insufficient ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Graphite Mica Insulating varnish Paper Graphite Mica Insulating varnish 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? Eye bolt Commutator Equalizer rings Dummy coils Eye bolt Commutator Equalizer rings Dummy coils 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 check armature insulation resistance increase the speed of primemover increase the field resistance reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 2 6 8 4 2 6 8 ANSWER DOWNLOAD EXAMIANS APP