Question : Which one of the following contains the maximum percentage of Carbon?
Option 1: Cast iron
Option 2: Stainless steel
Option 3: Wrought iron
Option 4: High speed steel
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Correct Answer: Cast iron
Solution : The correct option is Cast iron.
Cast iron is an alloy with a carbon content of 2–5%. Hard steel is an iron alloy with a relatively low carbon content. Hence, a minor amount of carbon is added to boost its strength. Steel is also ductile and flexible. The iron alloy known as wrought iron has a low carbon content.
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