DC Generators The critical resistance of the D.C. generator is the resistance of Field Brushes Armature Load Field Brushes Armature Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Armature Field poles Commutating poles Yoke Armature Field poles Commutating poles Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Mica Graphite Paper Insulating varnish Mica Graphite Paper Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of 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 Iron loss and mechanical loss 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 ______ 10 50 100 150 10 50 100 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only ANSWER DOWNLOAD EXAMIANS APP