DC Generators The critical resistance of the D.C. generator is the resistance of Armature Load Brushes Field Armature Load Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has exciting current independent of load current Has all above features Is amenable to better voltage control Is more stable Has exciting current independent of load current Has all above features Is amenable to better voltage control Is more stable ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here One-half of Two times the Three times None of the listed here One-half of Two times the Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only Series generator only None of the listed here Both shunt and compound generator Shunt generator only Series generator only None of the listed here Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes Carbon brushes Graphite brushes None of these Metal graphite brushes Carbon brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
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