DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving The brushes of same polarity should track each other All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Armature Yoke Commutating poles Field poles Armature Yoke Commutating poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Series generator Separately excited generator Shunt generator Compound generator Series generator Separately excited generator Shunt generator Compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A load An amplifier None of the listed here A rectifier A load An amplifier None of the listed here A rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V ANSWER DOWNLOAD EXAMIANS APP
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