DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Wrong direction of rotation Open field Speed too high No residual magnetism Wrong direction of rotation Open field Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Series Shunt Flat compounded Over compounded Series Shunt Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 2 V 0.1 V 20 V 10 V 2 V 0.1 V 20 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? All of these Level compounded generator Separately excited generator Self-excited generator All of these Level compounded generator Separately excited generator Self-excited generator 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 Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency 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 ANSWER DOWNLOAD EXAMIANS APP
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