DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Copper lugs Insulation pads Brazing Resistance wires Copper lugs Insulation pads Brazing ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Permanent magnets Electromagnets None of these Both (A) and (B) Permanent magnets Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Half the number of poles Same as the number of poles Two Double the number of poles Half the number of poles Same as the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Magnetic field Electric field Both electrical and magnetic fields None of the listed here Magnetic field Electric field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be The same as rated voltage Small Zero High The same as rated voltage Small Zero High ANSWER DOWNLOAD EXAMIANS APP
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