DC Generators In a lap winding, the number of the brushes required is equal to Commutator pitch Number of pairs of poles None of the listed here Number of poles Commutator pitch Number of pairs of poles None of the listed here Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Rough commutator bars All of these Excessive spring pressure Abrasion from dust Rough commutator bars All of these Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as Less than None of the listed here More than About the same as Less than None of the listed here More than 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 Be halved Be doubled Remain the same Be quadrupled Be halved Be doubled Remain the same Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal series field resistances their rising voltage characteristics unequal number of turns in their series field windings unequal speed regulation of their primemovers unequal series field resistances their rising voltage characteristics unequal number of turns in their series field windings unequal speed regulation of their primemovers ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage More current and more voltage None of the listed here More current but less voltage Less current but more voltage More current and more voltage None of the listed here More current but less voltage ANSWER DOWNLOAD EXAMIANS APP
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