

MCQOPTIONS
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1. |
Which of the following is not true for thread cutting? |
A. | tool post is driven by lead screw axially against the work piece |
B. | the lead screw has a trapezoidal thread |
C. | the relative type of speeds of rotation of the work and the lead screw can result in the cutting of a screw of the desired pitch |
D. | none of the mentioned |
Answer» E. | |