DC Generators The armature of a dc machine is made of ______ Silocon steel Cast steel Wrought iron Soft iron Silocon steel Cast steel Wrought iron Soft iron 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 The efficiency of a dc generator means its Overall efficiency Mechanical efficiency None of the listed here Electrical efficiency Overall efficiency Mechanical efficiency None of the listed here Electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of commutator segments Number of poles Number of parallel paths Number of pole pairs Number of commutator segments Number of poles Number of parallel paths Number of pole pairs ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 6 pole 4 pole 2 pole 8 pole 6 pole 4 pole 2 pole 8 pole ANSWER DOWNLOAD EXAMIANS APP
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