DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Less than electrical efficiency Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency Equal to electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 4 parallel paths 6 parallel paths 3 parallel paths 2 parallel paths 4 parallel paths 6 parallel paths 3 parallel paths 2 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their rising voltage characteristics linear voltage characteristics identical voltage characteristics drooping voltage characteristics rising voltage characteristics linear voltage characteristics identical voltage characteristics drooping voltage characteristics 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 flux Direction of motion of conductor, if forefinger points along the lines 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 flux Direction of motion of conductor, if forefinger points along the lines 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
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Facilitate commutation Save iron Reduce losses Reduce armature reaction Facilitate commutation Save iron Reduce losses ANSWER DOWNLOAD EXAMIANS APP