DC Generators The brush voltage drop in dc machine is about _______ 2 V 0.1 V 10 V 20 V 2 V 0.1 V 10 V 20 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency None of the listed here Less than electrical efficiency More than electrical efficiency Equal to electrical efficiency None of the listed here Less than electrical efficiency More than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss None of the listed here Stray loss Variable loss Constant loss None of the listed here Stray loss Variable loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
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