DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature turns Number of armature coils Number of armature conductors Number of armature coil sides Number of armature turns Number of armature coils Number of armature conductors Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Stainless steel Silicon steel Carbon Case iron Stainless steel Silicon steel Carbon Case iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their linear voltage characteristics rising voltage characteristics drooping voltage characteristics identical voltage characteristics linear voltage characteristics rising voltage characteristics drooping voltage characteristics identical voltage characteristics 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 5 percent 40 percent 25 percent 10 percent 5 percent 40 percent 25 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic Internal characteristic = magnetization characteristic ohmic drop External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
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