DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Reduce losses Save iron Facilitate commutation Reduce armature reaction Reduce losses Save iron Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Compensating winding Interpoles Dummy coils Shifting of axis of brushes Compensating winding Interpoles Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Aluminum Soft iron Cast steel Silicon steel Aluminum Soft iron Cast steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 360 V 1500 V 250 V 60 V 360 V 1500 V 250 V 60 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine Number of pairs of poles 1 None of the listed here Numbers of poles in the machine Number of pairs of poles 1 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
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