DC Generators High voltage dc machine use _____ winding. Either lap or wave Wave None of the listed here Lap Either lap or wave Wave None of the listed here Lap ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Carbon All of above Hard copper Soft copper Carbon All of above Hard copper Soft copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 50% regulation Infinite regulation 100% regulation 1% regulation 50% regulation Infinite regulation 100% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 150 10 100 50 150 10 100 50 ANSWER DOWNLOAD EXAMIANS APP
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