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The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.

A. Mild steel

B. Copper

C. Aluminium

D. Brass

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

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  1. The cutting force in up milling __________ per tooth movement of the cutter.
  2. The tail stock set over method of taper turning is preferred for
  3. The cutting fluid mostly used for machining steel is
  4. If a particular Fe-C alloy contains less than 0.83% carbon, it is called
  5. The strength of a brazed joint
  6. The usual value of the helix angle of a drill is
  7. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  8. In order to have interference fit, it is essential that the lower limit of the shaft should be
  9. Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the…
  10. In electro-discharge machining, dielectric is used to
  11. Jigs are used
  12. The method of grinding used to produce a straight or tapered surface on a workpiece, is
  13. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  14. Crack in grinding wheel is developed due to
  15. Green sand mould indicates that
  16. The lead screw of a lathe has _________ threads.
  17. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent,…
  18. In determining the various forces on the chip, Merchant assumed that the
  19. If the flame of the welding torch is directed towards the progress of welding, then what will you call…
  20. The broaching operation in which the work moves past the stationary tool is called
  21. Ceramic tools are fixed to tool body by
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  23. Fixtures are used
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  25. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
  26. Gear burnishing is a process for
  27. The example of snag grinding is
  28. The cutting speed for drilling copper with high speed steel drills varies from
  29. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges…
  30. The method of grinding used to produce internal cylindrical holes and tapers, is