The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called

A. Helix or rake angle

B. Point angle

C. Chisel edge angle

D. Lip clearance angle

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  1. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability…
  2. The lip angle of a single point tool is usually
  3. What is the type of welding defect caused due to shrinkage during solidification and by weld stresses…
  4. Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm…
  5. The material which on machining produces chips with built up edge is
  6. The example of snag grinding is
  7. The operation of making a cone-shaped enlargement of the end of a hole is known as
  8. Cast iron during machining produces
  9. The grinding operation is a
  10. The average cutting speed for turning brass with a high speed steel tool is
  11. Gear burnishing is a process for
  12. The snag grinding is done
  13. The tool life is affected by
  14. The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
  15. The capacity of a material to be welded under the imposed fabrication conditions into a specific, suitably…
  16. The tool life in case of a grinding wheel is the time
  17. Chip breakers are used to
  18. The chuck used for setting up of heavy and irregular shaped work should be
  19. Internal or external threads of different pitches can be produced by
  20. In a single point tool, the angle between the surface of the flank immediately below the point and a…
  21. A shaft has a dimension, φ9 +0.025⁺⁰⁰⁰⁹, the respective values…
  22. The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting…
  23. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average…
  24. For fast removal of materials during grinding, a _________ grinding wheel is used.
  25. For generating a Coons surface we require
  26. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
  27. Trepanning is performed for
  28. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  29. A tool used to withdraw a drill from the sleeve is called
  30. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called