DC Generators The insulating material used between the commutator segments is normally Paper Mica Graphite Insulating varnish Paper Mica Graphite Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Flat topped Sinusoidal Pulsating Triangular Flat topped Sinusoidal Pulsating Triangular 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 The efficiency of a dc generator means its Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Field winding None of the listed here Commutator Armature winding Field winding None of the listed here Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Both of the listed here None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator Both of the listed here None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator ANSWER DOWNLOAD EXAMIANS APP
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