In machining metals, chips break due to __________ of work material.

A. Toughness

B. Ductility

C. Elasticity

D. Work hardening

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  1. The drill spindles are provided with standard taper known as
  2. In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done…
  3. The shear velocity is the velocity of
  4. The grinding operation is a
  5. Which of the following statement is correct as regard to up milling?
  6. A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
  7. Jigs are used
  8. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness…
  9. A __________ grinding wheel is used to grind soft materials.
  10. The strength of a brazed joint
  11. Tool life is generally better when
  12. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  13. What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
  14. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
  15. In oblique cutting of metals, the cutting edge of the tool is
  16. Negative rakes are used for
  17. A left hand tool on a lathe cuts most efficiently when it travels
  18. In machining metals, chips break due to __________ of work material.
  19. The lathe spindles at the nose end have
  20. The tool made of cemented carbide wear out faster at
  21. Tool signature consists of __________ elements.
  22. Continuous chips with built up edge are formed during machining of
  23. The guideways are of
  24. The height of each tooth of a broach is
  25. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
  26. A fine grained grinding wheel is used to grind
  27. Glazing in grinding wheels __________ cutting capacity.
  28. The main purpose of a boring operation, as compared to drilling, is to
  29. The cutting speed for drilling copper with high speed steel drills varies from
  30. In metal machining, the work-tool contact zone is a zone where heat is generated due to