DC Generators The number of brushes in a commutator depends on Amount of current to be collected Type of winding Speed of armature Voltage Amount of current to be collected Type of winding Speed of armature Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be The same as rated voltage High Small Zero The same as rated voltage High Small Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Wave Either lap or wave Lap None of the listed here Wave Either lap or wave Lap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators A shunt generator gives its greatest voltage at No load None of the listed here Half full load Full load No load None of the listed here Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Carbon All of above Soft copper Hard copper Carbon All of above Soft copper Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP