DC Generators The yoke of a dc machine is made of Aluminum Silicon steel Soft iron Cast steel Aluminum Silicon steel Soft iron Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Armature Parallel combination of armature and series field Series field Series combination of armature and series field Armature Parallel combination of armature and series field Series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Mica Insulating varnish Graphite Paper Mica Insulating varnish Graphite Paper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Carbon brushes None of these Metal graphite brushes Graphite brushes Carbon brushes None of these Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk ANSWER DOWNLOAD EXAMIANS APP
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