DC Generators In a D.C. generator the critical resistance refers to the resistance of Field Brushes Load Armature Field Brushes Load Armature 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 induced e.m.f. Direction of flux 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 induced e.m.f. Direction of flux 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using carbon brushes of superior quality Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Equalisers Copper brushes Compensating windings Interpole windings Equalisers Copper brushes Compensating windings Interpole windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. More than None of the listed here About the same as Less than More than None of the listed here About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Two Double the number of poles Same as the number of poles Half the number of poles Two Double the number of poles Same as the number of poles Half the number of poles ANSWER DOWNLOAD EXAMIANS APP