DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Magnetic field Electric field Both electrical and magnetic fields None of the listed here Magnetic field Electric field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. External Performance No load saturation Internal External Performance No load saturation Internal ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Commutator Armature winding Field winding None of the listed here Commutator Armature winding Field winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Copper Cast-iron Silicon steel Nonferrous material Copper Cast-iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Flat compounded generator Over compounded generator Series generator Shunt generator Flat compounded generator Over compounded generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 25 percent 40 percent 5 percent 10 percent 25 percent 40 percent 5 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
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