DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Both (A) and (B) Electromagnets None of these Permanent magnets Both (A) and (B) Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator? Equalizer rings Commutator Dummy coils Eye bolt Equalizer rings Commutator Dummy coils Eye bolt ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Silicon steel Nonferrous material Copper Cast-iron Silicon steel Nonferrous material Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Resistance Flux density Ampere turns Reluctance Resistance Flux density Ampere turns Reluctance ANSWER DOWNLOAD EXAMIANS APP
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