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In order to grind soft material

A. Coarse grained grinding wheel is used

B. Fine grained grinding wheel is used

C. Medium grained grinding wheel is used

D. Any one of these

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  1. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
  2. Which of the following process is used for preparing parts having large curved surfaces and thin sections?
  3. What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
  4. The cutting speed for drilling copper with high speed steel drills varies from
  5. The broaching operation in which the work moves past the stationary tool is called
  6. The size of abrasive grain required in a grinding wheel depends upon the
  7. The tool life is affected by
  8. The chuck used for setting up of heavy and irregular shaped work should be
  9. Side rake angle of a single point cutting tool is the angle
  10. Which of the following statement is correct about nose radius?
  11. Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling…
  12. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  13. The tool may fail due to
  14. Tool signature consists of __________ elements.
  15. Which of the following statement is correct about hot machining?
  16. Gear lapping is an operation
  17. The velocity of tool along the tool face is known as
  18. Which of the following operation is first performed?
  19. In machining metals, chips break due to __________ of work material.
  20. In a metal arc welding process, metal transfer across the arc may take place by a method of material…
  21. In machining metals, surface roughness is due to
  22. Chip breakers are used to
  23. Jigs are used
  24. The taper on the lathe spindle is
  25. When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and…
  26. The cutting speed is minimum while machining _________ with a high speed steel tool.
  27. Which of the following statement is correct about EDM machining?
  28. A coarse grained grinding wheel is used to grind
  29. In determining the various forces on the chip, Merchant assumed that the
  30. Discontinuous chips are formed during machining of