MCQOPTIONS
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| 1. |
To change the reading on the circle while measuring an angle, |
| A. | Upper clamp is tightened and lower clamp is loosened |
| B. | Upper clamp is loosened and lower clamp is tightened |
| C. | Both upper and lower clamps are loosened |
| D. | Both upper and lower clamp is tightened |
| Answer» C. Both upper and lower clamps are loosened | |