DC Generators Brushes of D.C. machines are made of Soft copper All of above Hard copper Carbon Soft copper All of above Hard copper Carbon 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 25 percent 5 percent 40 percent 10 percent 25 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be zero will be of 5 Hz will be of v Hz 5 will be of 5 xiVHz will be zero will be of 5 Hz will be of v Hz 5 will be of 5 xiVHz ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. External No load saturation Performance Internal External No load saturation Performance Internal ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. 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 Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Carbon Mica Cast iron Copper Carbon Mica Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
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