DC Generators The commutator of a dc generator acts as An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load A rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 0.1 V 10 V 2 V 20 V 0.1 V 10 V 2 V 20 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Iron loss and mechanical loss Armature copper loss and iron loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss Armature copper loss and iron loss Total copper loss and mechanical loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% 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 ______ 100 10 150 50 100 10 150 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 2 pole 8 pole 4 pole 6 pole 2 pole 8 pole 4 pole ANSWER DOWNLOAD EXAMIANS APP
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