DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) None of these Electromagnets Permanent magnets Both (A) and (B) None of these Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Field winding Commutator None of the listed here Armature winding Field winding Commutator None of the listed here Armature winding 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 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 reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 0.1 V 10 V 2 V 20 V 0.1 V 10 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
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