DC Generators The bearings used to support the rotor shafts are generally Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings 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 the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.05 mm 0.005 mm 5 m 0.5 m 0.05 mm 0.005 mm 5 m 0.5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be quadrupled Be doubled Remain the same Be halved Be quadrupled Be doubled Remain the same Be halved ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Armature Load Brushes Field Armature Load Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their drooping voltage characteristics identical voltage characteristics linear voltage characteristics rising voltage characteristics drooping voltage characteristics identical voltage characteristics linear voltage characteristics rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP