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The effect of setting a boring tool above centre height leads to

A. Increase in the effective rake angle and a decrease in the effective clearance angle

B. Increase in both effective rake angle and effective clearance angle

C. Decrease in the effective rake angle and an increase in the effective clearance angle

D. Decrease in both effective rake angle and effective clearance angle

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  1. In gear hobbing
  2. The material which on machining produces chips with built up edge is
  3. If the cutting speed is increased, then the built-up-edge
  4. The tool may fail due to
  5. The abrasive recommended for grinding materials of low tensile strength is
  6. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  7. The grooving is an operation of
  8. In a metal arc welding process, metal transfer across the arc may take place by a method of material…
  9. Gear finishing operation is called
  10. In the relation VTn = C, the value of n for carbide tools is
  11. Volume of a cube of side l and volume of a sphere of radius r are equal. Both the cube and the sphere…
  12. In drilling operation, the metal is removed by
  13. What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
  14. When the tool moves parallel to the lathe axis, the movement is termed as
  15. The purpose of jigs and fixtures is to
  16. In ultrasonic machining, tool is made of
  17. Which of the following statement is wrong?
  18. Cast iron during machining produces
  19. The lip clearance angle is the angle formed by the
  20. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
  21. Larger end cutting edge angle _________ tool life.
  22. The main purpose of a boring operation, as compared to drilling, is to
  23. The angle between the lathe centres is
  24. Discontinuous chips are formed during machining of
  25. Tumbler gears in lathe are used to
  26. For fast removal of materials during grinding, a _________ grinding wheel is used.
  27. The cutting speed of a drill depends upon the
  28. The snag grinding is done
  29. Broaching is applied for machining
  30. The grinding operation is a