DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 100% regulation 50% regulation 1% regulation Infinite regulation 100% regulation 50% regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small The same as rated voltage High Zero Small The same as rated voltage High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Generated voltage is small Shunt field circuit has high resistance Terminal voltage drops considerably It is expensive Generated voltage is small Shunt field circuit has high resistance Terminal voltage drops considerably It is expensive ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Series field Parallel combination of armature and series field Series combination of armature and series field Armature Series field Parallel combination of armature and series field Series combination of armature and series field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the armature reaction flux None of these Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Silicon steel Case iron Carbon Stainless steel Silicon steel Case iron Carbon Stainless steel ANSWER DOWNLOAD EXAMIANS APP