DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 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 Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Flat compounded Shunt Series Over compounded Flat compounded Shunt Series 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 5 xiVHz will be of v Hz 5 will be zero will be of 5 Hz will be of 5 xiVHz will be of v Hz 5 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. Internal External Performance No load saturation Internal External Performance No load saturation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Wrought iron Silocon steel Cast steel Soft iron Wrought iron Silocon steel Cast steel Soft iron ANSWER DOWNLOAD EXAMIANS APP