MCQOPTIONS
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| 1. |
Malleable cast iron |
| A. | contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron |
| B. | is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable |
| C. | is produced by annealing process. It is soft, tough, and easily machined metal |
| D. | none of the above. |
| Answer» D. none of the above. | |