A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.

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. Friction at the tool-chip interface can be reduced by
  2. Negative rakes are used for
  3. Gear lapping is an operation
  4. In ECM, the material removal is due to
  5. The grinding operation is a
  6. In hot machining, the work is heated by
  7. The thrust force will increase with the increase in
  8. The capacity of a material to be welded under the imposed fabrication conditions into a specific, suitably…
  9. The tool material, for faster machining, should have
  10. The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is…
  11. The tool may fail due to
  12. Which of the following statement is correct about EDM machining?
  13. The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
  14. Tool signature consists of __________ elements.
  15. The primary purpose of a sprue in a casting mould is to
  16. The drill spindles are provided with standard taper known as
  17. The tool life in case of a grinding wheel is the time
  18. 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…
  19. For turning small taper on long workpiece, the suitable method is
  20. The binding material used in cemented carbide tools is
  21. Side rake angle of a single point cutting tool is the angle
  22. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average…
  23. A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
  24. The usual value of the helix angle of a drill is
  25. NC contouring is an example of
  26. Which one among the following welding processes uses nonconsumable electrode?
  27. An open structure of a grinding wheel is used for
  28. In down milling, the thickness of chip is
  29. The angle on which the strength of the tool depends is
  30. The average cutting speed for turning mild steel with a high speed steel tool is