DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Current Voltage Speed None of the listed here Current Voltage Speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Frictional loss Hysteresis loss Copper loss Eddy current loss Frictional loss Hysteresis loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper All of above Soft copper Carbon Hard copper All of above Soft copper Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 4 pole 6 pole 8 pole 2 pole 4 pole 6 pole 8 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under North Pole Lie under South Pole Are farthest from the poles Lie under interpolar region Lie under North Pole Lie under South Pole Are farthest from the poles Lie under interpolar region ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation ANSWER DOWNLOAD EXAMIANS APP