DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Reduce losses Facilitate commutation Save iron Reduce armature reaction Reduce losses Facilitate commutation Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Brazing Copper lugs Insulation pads Resistance wires Brazing Copper lugs Insulation pads ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Both (A) and (B) None of these Electromagnets Permanent magnets Both (A) and (B) None of these Electromagnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Cast steel Aluminum Soft iron Silicon steel Cast steel Aluminum Soft iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for None of the listed here Shunt generator only Both shunt and compound generator Series generator only None of the listed here Shunt generator only Both shunt and compound generator Series generator only 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
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