DC Generators The rapid wear of brushes takes place due to Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Armature Brushes Load Field Armature Brushes Load Field 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 5 percent 40 percent 10 percent 25 percent 5 percent 40 percent 10 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their identical voltage characteristics drooping voltage characteristics rising voltage characteristics linear voltage characteristics identical voltage characteristics drooping voltage characteristics rising voltage characteristics linear voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Shunt generator Any of the above Long shunt compound generator Series generator Shunt generator Any of the above Long shunt compound generator Series generator ANSWER DOWNLOAD EXAMIANS APP
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