DC Generators The yoke of a dc machine is made of Silicon steel Soft iron Aluminum Cast steel Silicon steel Soft iron Aluminum Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles 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 40 percent 10 percent 5 percent 25 percent 40 percent 10 percent 5 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper Soft copper Carbon All of above Hard copper Soft copper Carbon All of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature turns Number of armature conductors Number of armature coil sides Number of armature coils Number of armature turns Number of armature conductors Number of armature coil sides Number of armature coils ANSWER DOWNLOAD EXAMIANS APP