MCQOPTIONS
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| 1. |
What is the clearance angle if the angle of inclination of a chisel, with point angle 60°, is 39.5°? |
| A. | 15° |
| B. | 9.5° |
| C. | 20.5° |
| D. | none of the three |
| Answer» C. 20.5° | |