MCQOPTIONS
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| 1. |
Which of the following is/are the class1 corrosion resistance materials in nitric acid? |
| A. | High-silicon cast irons |
| B. | Stainless steels (type 430) |
| C. | Titanium |
| D. | High-silicon cast iron, stainless steels, and titanium |
| Answer» E. | |