DC Generators In a practical dc generator, mechanical efficiency is Less than electrical efficiency More than electrical efficiency Equal to electrical efficiency None of the listed here Less than electrical efficiency More than electrical efficiency Equal to electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here 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 5 percent 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Aluminum Silicon steel Cast steel Soft iron Aluminum Silicon steel Cast steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Flux density Reluctance Ampere turns Resistance Flux density Reluctance Ampere turns Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. No load saturation Performance Internal External No load saturation Performance Internal External ANSWER DOWNLOAD EXAMIANS APP