The chamfering is an operation of

A. Bevelling the extreme end of a workpiece

B. Embossing a diamond shaped pattern on the surface of a workpiece

C. Reducing the diameter of a workpiece over a very narrow surface

D. Enlarging the end of a hole cylindrically

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  1. A ring gauge is used to measure
  2. The angle on which the strength of the tool depends is
  3. Which of the following statement is correct about nose radius?
  4. In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the…
  5. The hard grade grinding wheels are denoted by the letters
  6. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  7. The operation of machining several surfaces of a workpiece simultaneously is called
  8. The correct sequence of the following parameters in order of their maximum to minimum influence on tool…
  9. Which of the following statement is wrong?
  10. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
  11. The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
  12. The drill spindles are provided with standard taper known as
  13. The tool made of cemented carbide wear out faster at
  14. Which of the following statement is correct in regard to centreless grinding?
  15. A right hand tool on a lathe cuts most efficiently when it travels
  16. The chuck preferred for quick setting and accurate centering of a job is
  17. When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
  18. Misrun is a casting defect which occurs due to
  19. The parameter which completely defines the chip formation in a metal cutting process is
  20. Which of the following statement is wrong?
  21. What is the type of joining process called, where the parts to be welded are kept in contact and rotated…
  22. The cutting force in punching and blanking operations mainly depends on
  23. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  24. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
  25. Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
  26. A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to…
  27. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  28. The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is…
  29. The usual value of the point angle of a drill is
  30. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then…