White cast iron as compared to grey cast iron is ________________?
Correct answer: A. All A., B. & C.
- A. All A., B. & C.
- B. Very brittle
- C. Very hard
- D. More durable
Explanation
White cast iron contains carbon mainly as cementite, giving it very high hardness and brittleness compared with graphite-containing grey cast iron. Its hardness also provides strong wear resistance, which is the basis for describing it as more durable in abrasive service.
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