Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

Questions › Category: Mechanical Engineering › Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?
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Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

a) Silicon

b) Sulphur

c) Manganese

d) Phosphorus

Engineering Materials Practice Set-4