DC Generators The field coil of dc generator are usually made of Carbon Mica Cast iron Copper Carbon Mica Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Two Double the number of poles Half the number of poles Same as the number of poles Two Double the number of poles Half the number of poles Same as the number of poles 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 commutator of a dc generator acts as A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Iron loss and mechanical loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
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