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Mechanical Engineering :: Workshop Technology

  1. The type of file used for a wood work is

  2. A.

     Single cut file

    B.

     Double cut file

    C.

     Rasp cut file

    D.

     Any one of these


  3. The increase in hardness due to cold working, is called

  4. A.

     Age hardening

    B.

     Work hardening

    C.

     Induction hardening

    D.

     Flame hardening


  5. A mortise gauge is a

  6. A.

     Striking tool

    B.

     Planing tool

    C.

     Boring tool

    D.

     Marking tool


  7. If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

  8. A.

     10 mm/m

    B.

     16 mm/m

    C.

     20 mm/m

    D.

     26 mm/m


  9. In electric resistance welding, pressure applied varies from

  10. A.

     1 to 5 MPa

    B.

     5 to 10 MPa

    C.

     10 to 25 MPa

    D.

     25 to 55 MPa


  11. A zinc diffusion process is called

  12. A.

     Galvanizing

    B.

     Anodizing

    C.

     Parkerising

    D.

     Sherardizing


  13. The property of sand due to which it evolves a great amount of steam and other gases is called

  14. A.

     Collapsibility

    B.

     Permeability

    C.

     Cohesiveness

    D.

     Adhesiveness


  15. The sand used for making cores is

  16. A.

     Green sand

    B.

     Dry sand

    C.

     Loam sand

    D.

     Oil sand


  17. Piercing is an operation of cutting

  18. A.

     A cylindrical hole in a sheet of metal by the punch and the die

    B.

     A hole (other than cylindrical) in a sheet of metal by the punch and the die

    C.

     A flat sheet to the desired shape

    D.

     A number of holes evenly spaced in a regular pattern on a sheet of metal


  19. For gas welding, the pressure desired at the welding torch for oxygen is

  20. A.

     7 to 103 kN/m²

    B.

     70 to 280 kN/m²

    C.

     280 to 560 kN/m²

    D.

     560 to 840 kN/m²