DC Generators The armature winding of a dc machine is ______ winding. Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to 1 Number of pairs of poles None of the listed here Numbers of poles in the machine 1 Number of pairs of poles None of the listed here Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these 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 10 percent 40 percent 5 percent 25 percent 10 percent 40 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Speed Voltage Current None of the listed here Speed Voltage Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Flat compounded generator Series generator Shunt generator Over compounded generator Flat compounded generator Series generator Shunt generator Over compounded generator ANSWER DOWNLOAD EXAMIANS APP
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