DC Generators The field coil of dc generator are usually made of Mica Carbon Copper Cast iron Mica Carbon Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of All of above Soft copper Hard copper Carbon All of above Soft copper Hard copper Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Electromagnets Both (A) and (B) Permanent magnets None of these Electromagnets Both (A) and (B) Permanent magnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Flat compounded generator Series generator Over compounded generator Shunt generator Flat compounded generator Series generator Over compounded generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils Twice the number of poles Numbers of conductors None of the listed here Number of coils Twice the number of poles Numbers of conductors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Abrasion from dust Rough commutator bars Excessive spring pressure All of these Abrasion from dust Rough commutator bars Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
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