A fine grained grinding wheel is used to grind

A. Hard and brittle materials

B. Soft and ductile materials

C. Hard and ductile materials

D. Soft and brittle materials

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  1. Relief angles on high speed steel tools usually vary from
  2. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
  3. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
  4. Gears can be best produced on mass production by
  5. A lathe with four steps on the cone pulley and with back-gears will have
  6. A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to…
  7. A push broach as compared to pull broach
  8. In the relation VTn = C, the value of n for carbide tools is
  9. The usual value of the point angle of a drill is
  10. Internal gear cutting operation can be performed by
  11. The cutting fluid mostly used for machining steel is
  12. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
  13. It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If…
  14. A tool used to withdraw a drill from the sleeve is called
  15. In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
  16. The cutting speed is minimum while machining _________ with a high speed steel tool.
  17. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  18. The tool life is said to be over if
  19. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
  20. An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability…
  21. In centreless grinders, the regulating wheel is inclined at
  22. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance…
  23. In a single point tool, the angle between the surface of the flank immediately below the point and a…
  24. Side rake angle of a single point cutting tool is the angle
  25. A jig is defined as a device which
  26. In metal cutting operations, the shear angle is the angle made by the shear plane with the
  27. The saw milling is an operation of
  28. A twist drill is specified by its
  29. Shrinkage allowance on pattern is provided to compensate for shrinkage when
  30. The depth of cut in drilling is __________ the drill diameter.