DC Generators The dc generator that has poorest voltage is Shunt generator Over compounded generator Flat compounded generator Series generator Shunt generator Over compounded generator Flat compounded generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other The brushes of same polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency Mechanical efficiency Electrical efficiency None of the listed here Overall efficiency Mechanical efficiency Electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is 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 unequal speed regulation of their primemovers ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
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