DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 640 V 620 V 600 V 580 V 640 V 620 V 600 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Provide the bulk Reduce the bulk Insulate the core Reduce eddy current loss Provide the bulk Reduce the bulk Insulate the core Reduce eddy current loss 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 field resistance reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections increase the speed of primemover ANSWER DOWNLOAD EXAMIANS APP
DC Generators A triplex wave winding will have parallel paths. 2 6 None of the listed here 4 2 6 None of the listed here 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ None of the listed here Field winding Armature winding Commutator None of the listed here Field winding Armature winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these ANSWER DOWNLOAD EXAMIANS APP