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The lathe centres are provided with standard taper known as

A. Morse taper

B. Seller's taper

C. Chapman taper

D. Brown and Sharpe taper

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  1. Which of the following statement is correct regarding grinding of high carbon steel?
  2. Lathe bed is made of
  3. The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
  4. In oblique cutting system, the maximum chip thickness
  5. Glazing in grinding wheels can be decreased by
  6. The factor considered for evaluation of machinability is
  7. The operation of making a cone-shaped enlargement of the end of a hole is known as
  8. A tool used to withdraw a drill from the sleeve is called
  9. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
  10. Segmental chips are formed during machining
  11. In oblique cutting system, the cutting edge of the tool
  12. For softer materials, the point angle of the drill is kept
  13. In centreless grinding, the surface speed of regulating wheel is
  14. A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
  15. The operation performed on a shaper is
  16. Stellite preserves hardness upto a temperature of
  17. In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done…
  18. The silicon carbide abrasive is chiefly used for grinding
  19. Flank wear occurs mainly on the
  20. In the relation VTn = C, the value of n for carbide tools is
  21. A drill mainly used in drilling brass, copper or softer materials, is
  22. In oblique cutting of metals, the cutting edge of the tool is
  23. Which of the following arc welding processes does not use consumable electrodes?
  24. For generating a Coons surface we require
  25. Fixtures are used
  26. In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
  27. Down milling is also called
  28. A diamond locating pin is used in jigs and fixtures because
  29. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
  30. The mechanism of material removal in EDM process is