DC Generators In case of dc machines, mechanical losses are primary function of Voltage Current None of the listed here Speed Voltage Current None of the listed here Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Rough commutator bars Excessive spring pressure All of these Abrasion from dust Rough commutator bars Excessive spring pressure All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Is more stable Has all above features Has exciting current independent of load current Is amenable to better voltage control Is more stable Has all above features Has exciting current independent of load current Is amenable to better voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Flat compounded Over compounded Series Shunt Flat compounded Over compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Parabola None of the listed here Hydrobola Straight line Parabola None of the listed here Hydrobola Straight line ANSWER DOWNLOAD EXAMIANS APP
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