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| Q. |
Which of the following is not true about the axial thickness of screw thread? |
| A. | measured in direction perpendicular to the axis of thread |
| B. | measured on pitch cylinder |
| C. | distance between opposite faces of same thread |
| D. | measured at the same thread |
| Answer» A. measured in direction perpendicular to the axis of thread | |
| Explanation: in a screw thread axial thickness is the distance between the opposite faces of the same thread. it is measured on the pitch cylinder and in a direction parallel to the thread axis. | |
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