DC Generators The resistance of armature winding depends on All of the listed here Length of conductor Number of conductors Cross sectional area of the conductor All of the listed here Length of conductor Number of conductors Cross sectional area of the conductor 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 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes Carbon brushes None of these Graphite brushes Metal graphite brushes Carbon brushes None of these Graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 8 2 6 4 8 2 6 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coils Number of armature coil sides Number of armature conductors Number of armature turns Number of armature coils Number of armature coil sides Number of armature conductors Number of armature turns ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None of the listed here Both salient and non salient pole arrangements Salient pole arrangements None salient pole arrangements None of the listed here Both salient and non salient pole arrangements Salient pole arrangements None salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
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