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 ______ winding. A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit A closed circuit None of the listed here Partly open circuit and partly closed circuit An open circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Mechanical loss Iron loss Constant loss Stray loss Mechanical loss Iron loss Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Copper brushes Interpole windings Equalisers Compensating windings Copper brushes Interpole windings Equalisers Compensating windings ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS