DC Generators For the same rating, a dc machine has_______ an ac machines. None of the listed here More weight than The same weight as Less weight than None of the listed here More weight than The same weight as Less weight than ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these 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 0.5 Ω 0.055 Ω 1 Ω 0.025 Ω 0.5 Ω 0.055 Ω 1 Ω 0.025 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Field Load Brushes Armature Field Load Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Iron and friction losses Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses Iron and friction losses Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses ANSWER DOWNLOAD EXAMIANS APP
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