11. Which of the following statement is wrong?
12. An expendable pattern is used in
13. In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
14. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
15. High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
16. If a particular Fe-C alloy contains less than 0.83% carbon, it is called
17. A bottoming tap has
18. Which of the following statement is correct about nose radius?
19. If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten electrode metal fills up the arc gap is known as
20. Friction at the tool-chip interface can be reduced by
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