DC Generators The number of brushes in a commutator depends on Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Wrong direction of rotation No residual magnetism Open field Speed too high Wrong direction of rotation No residual magnetism Open field Speed too high 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 Dc machines which are subjected to abrupt changes of load are provided with Copper brushes Equalisers Compensating windings Interpole windings Copper brushes Equalisers Compensating windings Interpole windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A load A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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