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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

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

  4. A.

     Age hardening

    B.

     Work hardening

    C.

     Induction hardening

    D.

     Flame hardening

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  5. A mortise gauge is a

  6. A.

     Striking tool

    B.

     Planing tool

    C.

     Boring tool

    D.

     Marking tool

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  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

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  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

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  11. A zinc diffusion process is called

  12. A.

     Galvanizing

    B.

     Anodizing

    C.

     Parkerising

    D.

     Sherardizing

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  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

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  15. The sand used for making cores is

  16. A.

     Green sand

    B.

     Dry sand

    C.

     Loam sand

    D.

     Oil sand

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  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

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  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

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