The cutting fluid mostly used for machining steel is

A. Water

B. Soluble oil

C. Dry

D. Heavy oils

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  1. High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
  2. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability…
  3. The grinding operation is a
  4. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  5. In drilling brass, a drill with
  6. The lip angle is the angle
  7. The main purpose of a boring operation, as compared to drilling, is to
  8. When the cutting edge of the tool is dull, then during machining
  9. The parameter which completely defines the chip formation in a metal cutting process is
  10. Grinding wheels should be tested for balance
  11. Which of the following operations can be performed with milling cutters?
  12. Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling…
  13. In a shaper, the length of stroke is increased by
  14. A taper tap has
  15. The operation of machining several surfaces of a workpiece simultaneously is called
  16. Glazing in grinding wheels can be decreased by
  17. When the shear angle is large
  18. Misrun is a casting defect which occurs due to
  19. Chip breakers are used to
  20. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive…
  21. Glazing in grinding wheels takes place when the
  22. In hot machining, tool is made of
  23. In oblique cutting system, the cutting edge of the tool
  24. The operation performed on a shaper is
  25. The tool life in case of a grinding wheel is the time
  26. Fixtures are used
  27. Thread grinding requires work speed from
  28. Which one among the following welding processes uses nonconsumable electrode?
  29. The hardness of a grinding wheel is specified by
  30. The effective number of lattice points in the unit cell of simple cubic, body centred cubic, and face…