DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz will be of v Hz 5 will be zero will be of 5 xiVHz will be of 5 Hz will be of v Hz 5 will be zero will be of 5 xiVHz ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is 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 Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Open field No residual magnetism Wrong direction of rotation Speed too high Open field No residual magnetism Wrong direction of rotation Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Provide the bulk Reduce eddy current loss Insulate the core Reduce the bulk Provide the bulk Reduce eddy current loss Insulate the core Reduce the bulk ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Same as the number of poles Two Half the number of poles Double the number of poles Same as the number of poles Two Half the number of poles Double the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
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