McqMate
| Q. |
Cast iron containing 6.6% carbon is |
| A. | Black in colour containing only pearlite |
| B. | Black in colour containing only ferrite |
| C. | Gray in colour containing pearite and ferrite only |
| D. | Whitish containing cementite only |
| E. | None of the above |
| Answer» D. Whitish containing cementite only | |
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