The following constitute short-circuit in the armature winding.
A. Insulation failure between two commutator bars
B. Insulation failure between two turns of a coil
C. Two of more turns of the same coil getting grounded
D. All of the above
Answer: Option D
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Related Questions on D.C. Generators
A cumulatively compounded long shunt generator when operating as a motor would be
A. Cumulatively compounded long shunt
B. Differentially compounded long shunt
C. Cumulatively compounded short shunt
D. Differentially compounded short shunt
A. Demagnetization only
B. Cross magnetization as well as magnetization
C. Cross-magnetization as well as demagnetizing
D. Cross magnetization only
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