DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Armature Yoke Field poles Commutating poles Armature Yoke Field poles Commutating poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coil sides Number of armature conductors Number of armature coils Number of armature turns Number of armature coil sides Number of armature conductors Number of armature coils Number of armature turns 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 10 percent 25 percent 40 percent 5 percent 10 percent 25 percent 40 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has exciting current independent of load current Is more stable Is amenable to better voltage control Has all above features Has exciting current independent of load current Is more stable Is amenable to better voltage control Has all above features ANSWER DOWNLOAD EXAMIANS APP
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