DC Generators Small dc machines generally have _____ poles. 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding 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 25 percent 5 percent 40 percent 10 percent 25 percent 5 percent 40 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper All of above Soft copper Carbon Hard copper All of above Soft copper Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. None of the listed here About the same as More than Less than None of the listed here About the same as More than Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ Numbers of poles in the machine Number of pairs of poles 2 None of the listed here Numbers of poles in the machine Number of pairs of poles 2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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