MCQOPTIONS
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| 1. |
Which of the following is incorrect about micrometer? |
| A. | Thimble and barrel should have a dull finish |
| B. | Total travel of the measuring spindle is called measuring range |
| C. | Graduated surface diameter of barrel should be 5 mm |
| D. | Screw has 10 or 20 threads per cm |
| Answer» D. Screw has 10 or 20 threads per cm | |