DC Generators The armature of a dc machine is made of ______ Cast steel Silocon steel Soft iron Wrought iron Cast steel Silocon steel Soft iron Wrought iron 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 quadrupled Be halved Remain the same Be doubled Be quadrupled Be halved ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Half the number of poles Same as the number of poles Two Double the number of poles Half the number of poles Same as the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under North Pole Lie under interpolar region Lie under South Pole Are farthest from the poles Lie under North Pole Lie under interpolar region Lie under South Pole Are farthest from the poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator 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 Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
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