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A coarse grained grinding wheel is used to grind

A. Hard and brittle materials

B. Soft and ductile materials

C. Hard and ductile materials

D. Soft and brittle materials

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

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  1. The cutting speed for counter-boring should be _________ that of drilling operation.
  2. Tool signature consists of __________ elements.
  3. The silicon carbide abrasive is chiefly used for grinding
  4. In electro discharge machining, tool is made of
  5. Tool life is generally better when
  6. A lathe with four steps on the cone pulley and with back-gears will have
  7. The factor responsible for the formation of discontinuous chips is
  8. The carbide tools operating at very low cutting speeds (below 30 m/min)
  9. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
  10. A twist drill is specified by its
  11. The common welding error that occurs due to wrong speed, faulty preparation, and high / low current,…
  12. The process of improving the cutting action of the grinding wheel is called
  13. Which of the following statement is correct in regard to centreless grinding?
  14. The hardness of a grinding wheel is specified by
  15. Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
  16. The drill spindles are provided with standard taper known as
  17. A diamond locating pin is used in jigs and fixtures because
  18. Trepanning is performed for
  19. For fast removal of materials during grinding, a _________ grinding wheel is used.
  20. In which of the following machine, the work is usually rotated while the drill is fed into work?
  21. For harder alloy steel, the point angle of the drill is kept
  22. Which of the following statement is wrong about ultrasonic machining?
  23. Slow speed of the spindle is necessary in
  24. The ductile materials, during machining, produce
  25. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
  26. Quality screw threads are produced by
  27. The effect of setting a boring tool above centre height leads to
  28. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
  29. Gear finishing operation is called
  30. In the relation VTn = C, the value of n for carbide tools is