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Discontinuous chips are formed during machining of

A. Brittle metals

B. Ductile metals

C. Hard metals

D. Soft metals

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  1. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
  2. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  3. During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
  4. The material property which depends only on the basic crystal structure is
  5. High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
  6. The lathe centres are provided with standard taper known as
  7. Which of the following arc welding processes does not use consumable electrodes?
  8. A left hand tool on a lathe cuts most efficiently when it travels
  9. The cutting angle of a flat drill varies from
  10. The chamfering is an operation of
  11. In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
  12. In order to grind soft material
  13. The process of removing metal by a cutter which is rotated against the direction of travel of workpiece,…
  14. Which of the following statement is incorrect with reference of lathe cutting tools?
  15. The rear teeth of a broach
  16. The hard grade grinding wheels are denoted by the letters
  17. When the cutting edge of the tool is dull, then during machining
  18. The size of a lathe is specified by the
  19. Which of the following statement is correct regarding grinding of high carbon steel?
  20. The cutting tool in a milling machine is mounted on
  21. While current is shut down in the welding circuit, what kind of voltage exists between the output terminals…
  22. Which of the following statement is correct for oblique cutting system?
  23. The abrasive recommended for grinding materials of high tensile strength is
  24. The usual value of the helix angle of a drill is
  25. In centreless grinding, work place centre will be
  26. Friction at the tool-chip interface can be reduced by
  27. The cutting speed is maximum while machining __________ with a high speed steel tool.
  28. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
  29. Hard and tough materials like cast iron should be turned at
  30. In the relation VTn = C, the value of n for carbide tools is