The armature core of a D.C. generator is usually made of
A. Silicon steel
B. Copper
C. Nonferrous material
D. Cast-iron
Answer: Option A
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A cumulatively compounded long shunt generator when operating as a motor would be
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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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