DC Generators In D.C. generators, current to the external circuit from armature is given through Solid connection Commutator Slip rings None of above Solid connection Commutator Slip rings None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 4 pole 2 pole 8 pole 6 pole 4 pole 2 pole 8 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Rough commutator bars Excessive spring pressure All of these Abrasion from dust Rough commutator bars Excessive spring pressure All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Carbon Mica Copper Cast iron Carbon Mica Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets None of these Electromagnets Both (A) and (B) Permanent magnets None of these Electromagnets Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 2 V 0.1 V 20 V 10 V 2 V 0.1 V 20 V 10 V ANSWER DOWNLOAD EXAMIANS APP
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