DC Generators The yoke of a dc machine is made of Cast steel Silicon steel Aluminum Soft iron Cast steel Silicon steel Aluminum Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 4 8 2 6 4 8 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature conductors Number of armature turns Number of armature coils Number of armature coil sides Number of armature conductors Number of armature turns Number of armature coils Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small The same as rated voltage High Zero Small The same as rated voltage High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Series Shunt Flat compounded Over compounded Series Shunt Flat compounded ANSWER DOWNLOAD EXAMIANS APP
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