DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here One-half of Three times Two times the None of the listed here One-half of Three times Two times the ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Slip rings None of above Commutator Solid connection Slip rings None of above Commutator Solid connection ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Silicon steel Nonferrous material Copper Cast-iron Silicon steel Nonferrous material Copper Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Field copper loss and iron loss Frictional loss and copper loss Copper and iron losses Iron and friction losses Field copper loss and iron loss Frictional loss and copper loss Copper and iron losses Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage ANSWER DOWNLOAD EXAMIANS APP
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