DC Generators The rapid wear of brushes takes place due to All of these Excessive spring pressure Abrasion from dust Rough commutator bars All of these Excessive spring pressure Abrasion from dust Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of commutator segments Number of pole pairs Number of poles Number of parallel paths Number of commutator segments Number of pole pairs Number of poles Number of parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 9.1% 2.8% 11.3% 4.5% 9.1% 2.8% 11.3% 4.5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Remain the same Be doubled Be halved Be quadrupled Remain the same Be doubled Be halved Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Data is insufficient Field current None of the listed here Armature current Data is insufficient Field current None of the listed here Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Series combination of armature and series field Parallel combination of armature and series field Series field Armature Series combination of armature and series field Parallel combination of armature and series field Series field Armature ANSWER DOWNLOAD EXAMIANS APP