DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero High Small The same as rated voltage Zero High Small The same as rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Copper Nonferrous material Silicon steel Cast-iron Copper Nonferrous material Silicon steel Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. None of these Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 4 pole 8 pole 2 pole 6 pole 4 pole 8 pole 2 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here Mechanical efficiency Electrical efficiency Overall efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils None of the listed here Twice the number of poles Numbers of conductors Number of coils None of the listed here Twice the number of poles Numbers of conductors ANSWER DOWNLOAD EXAMIANS APP
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