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The soft grade grinding wheels are denoted by the letters

A. A to H

B. I to P

C. Q to Z

D. A to P

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

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  1. The average cutting speed for turning brass with a high speed steel tool is
  2. The tool material, for faster machining, should have
  3. In electro-discharge machining, dielectric is used to
  4. Trepanning is performed for
  5. A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
  6. The specific cutting energy used for establishing the machinability of the metal depends upon its
  7. The lip angle is the angle
  8. When the cutting edge of the tool is dull, then during machining
  9. The addition of lead, sulphur and phosphorus to low carbon steels, help to
  10. Quality screw threads are produced by
  11. High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
  12. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
  13. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
  14. The structure of a grinding wheel depends upon
  15. What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
  16. Which of the following statement is wrong about ultrasonic machining?
  17. The tool made of cemented carbide wear out faster at
  18. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  19. When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
  20. The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
  21. The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
  22. The facing is an operation of
  23. The silicon carbide abrasive is chiefly used for grinding
  24. Broaching is applied for machining
  25. In which of the following milling machine, the table can be tilted in a vertical plane by providing…
  26. In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
  27. In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
  28. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
  29. The average cutting speed for turning mild steel with a high speed steel tool is
  30. Larger than 15° side cutting edge angle