Cast iron during machining produces

A. Continuous chips

B. Discontinuous chips

C. Continuous chips with built-up edge

D. None of these

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  1. Continuous chips with built up edge are formed during machining of
  2. In drilling softer materials, the cutting speed is _________ as compared to harder materials.
  3. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  4. In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
  5. The advantage of a broaching operation is that
  6. In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux…
  7. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
  8. A twist drill is a
  9. Trepanning is performed for
  10. Quality screw threads are produced by
  11. The hardness of a grinding wheel is specified by
  12. A ring gauge is used to measure
  13. Glazing in grinding wheels can be decreased by
  14. Internal gears can be made by
  15. In drilling operation, the metal is removed by
  16. The addition of lead, sulphur and phosphorus to low carbon steels, help to
  17. Ultrasonic machining is best suited for
  18. In up-cut milling the work piece is fed
  19. Which of the following parameters influence the axial feed rate in centerless grinding?
  20. A set of eight form relieved milling cutters for each module is provided to enable cutting of gears…
  21. In metal machining, the zone where the heat is generated due to friction between the moving chip and…
  22. A right hand tool on a lathe cuts most efficiently when it travels
  23. Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the…
  24. Larger than 15° side cutting edge angle
  25. Carbide tipped tools usually have
  26. For softer materials, the point angle of the drill is kept
  27. Volume of a cube of side l and volume of a sphere of radius r are equal. Both the cube and the sphere…
  28. For fast removal of materials during grinding, a _________ grinding wheel is used.
  29. Gear lapping is an operation
  30. The cutting speed is minimum while machining _________ with a high speed steel tool.