DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Aid Sometime aid, sometime oppose Oppose None of the listed here Aid Sometime aid, sometime oppose Oppose None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 4 8 2 6 4 8 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. An open circuit None of the listed here A closed circuit Partly open circuit and partly closed circuit An open circuit None of the listed here A closed circuit Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the immediately preceding pole 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 opposite to that of the main pole ahead Is the same as that of the immediately preceding pole 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 opposite to that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of All of above Soft copper Carbon Hard copper All of above Soft copper Carbon Hard copper ANSWER DOWNLOAD EXAMIANS APP