DC Generators In a lap winding, the number of the brushes required is equal to Number of poles Commutator pitch None of the listed here Number of pairs of poles Number of poles Commutator pitch None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Yoke Armature Field poles Commutating poles Yoke Armature Field poles Commutating poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap Carbon lubricates and polishes the commutator Contact resistance is decreased None of the listed here Carbon is cheap 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 quadrupled Remain the same Be doubled Be halved Be quadrupled Remain the same Be doubled ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Cast steel Soft iron Aluminum Silicon steel Cast steel Soft iron Aluminum ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only Both shunt and compound generator Series generator only None of the listed here Shunt generator only Both shunt and compound generator Series generator only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS