DC Generators Permeance is the reciprocal of Reluctance Ampere turns Flux density Resistance Reluctance Ampere turns Flux density Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 8 4 2 6 8 4 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers unequal series field resistances unequal number of turns in their series field windings their rising voltage characteristics unequal speed regulation of their primemovers unequal series field resistances unequal number of turns in their series field windings their rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 6 parallel paths 3 parallel paths 4 parallel paths 2 parallel paths 6 parallel paths 3 parallel paths 4 parallel paths 2 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Insulation pads Brazing Copper lugs Resistance wires Insulation pads Brazing Copper lugs ANSWER DOWNLOAD EXAMIANS APP
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