MCQOPTIONS
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| 1. |
In ball bearing steels, chromium percentage is normally in the range |
| A. | 3 - 5 percent |
| B. | 14 - 16 percent |
| C. | 5 - 10 percent |
| D. | 1 - 2 percent |
| E. | 2 - 3 percent |
| Answer» C. | |