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A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.

A. Soft grade

B. Medium grade

C. Hard grade

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Tool signature consists of __________ elements.
  2. Drilling is an example of
  3. A left hand tool on a lathe cuts most efficiently when it travels
  4. The operation of smoothing and squaring the surface around a hole is known as
  5. In electrochemical machining, the gap between the tool and work is kept as
  6. The taper on the lathe spindle is
  7. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
  8. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  9. The thrust force will increase with the increase in
  10. In oblique cutting system, the maximum chip thickness
  11. What is the type of welding defect is caused due to stresses on heating and cooling called?
  12. What is the type of welding defect caused due to poor deposition of weld rod is called?
  13. Twist drills are made of
  14. 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…
  15. In electro-discharge machining, dielectric is used to
  16. A broach has
  17. The type of tool used on milling machine and broaching machine is
  18. The maximum production of small and slender parts is done by
  19. The carbide tools operating at very low cutting speeds (below 30 m/min)
  20. When the shear angle is large
  21. Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm…
  22. Gear burnishing is a process for
  23. The broaching operation in which the work moves past the stationary tool is called
  24. Segmental chips are formed during machining
  25. A lathe with four steps on the cone pulley and with back-gears will have
  26. The increase in depth of cut and feed rate __________ surface finish.
  27. In which of the following machine, the work rotates and the tool is stationary?
  28. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  29. The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
  30. The in-feed grinding is used to