DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted None of the listed here Weakend only Distorted only Weakened as well as distorted None of the listed here Weakend only Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of parallel paths Number of pole pairs Number of commutator segments Number of poles Number of parallel paths Number of pole pairs Number of commutator segments Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Series field Parallel combination of armature and series field Armature Series combination of armature and series field Series field Parallel combination of armature and series field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Resistance Capacitance Inductance None of the listed here Resistance Capacitance Inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP