DC Generators Small dc machines generally have _____ poles. 6 2 4 8 6 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Armature Brushes Field Load Armature Brushes Field Load 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 5 percent 40 percent 25 percent 10 percent 5 percent 40 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 50% regulation 100% regulation Infinite regulation 1% regulation 50% regulation 100% regulation Infinite regulation ANSWER DOWNLOAD EXAMIANS APP
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