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 An 8 pole duplex lap winding will have ______ parallel paths. 8 32 4 16 8 32 4 16 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Pulsating Triangular Sinusoidal Flat topped Pulsating Triangular Sinusoidal Flat topped ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material 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 High Zero The same as rated voltage Small High Zero The same as rated voltage Small ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Carbon Mica Copper Cast iron Carbon Mica Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
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