Nodular grey cast iron is obtained from the grey cast iron by adding a

1.	Nodular grey cast iron is obtained from the grey cast iron by adding a small amount of:
A.	Manganese
B.	Phosphorus
C.	Magnesium
D.	Chromium
Answer» D. Chromium

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Nodular grey cast iron is obtained from the grey cast iron by adding a small amount of:

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