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Mechanical Engineering :: Workshop Technology

  1. Acetylene gas is stored in cylinders in

  2. A.

     Solid form

    B.

     Gaseous form

    C.

     Liquid form

    D.

     Any one of these


  3. Loam sand is a mixture of

  4. A.

     30% sand and 70% clay

    B.

     50% sand and 50% clay

    C.

     70% sand and 30% clay

    D.

     90% sand and 10% clay


  5. Green sand is a mixture of

  6. A.

     30% sand and 70% clay

    B.

     50% sand and 50% clay

    C.

     70% sand and 30% clay

    D.

     90% sand and 10% clay


  7. The blank diameter used in thread rolling will be

  8. A.

     Equal to minor diameter of the thread

    B.

     Equal to pitch diameter of the thread

    C.

     A little larger than the minor diameter of the thread

    D.

     A little larger than the pitch diameter of the thread


  9. The operation of cutting of a flat sheet to the desired shape is called

  10. A.

     Shearing

    B.

     Piercing

    C.

     Punching

    D.

     Blanking


  11. During cold working process

  12. A.

     Grain structure is distorted

    B.

     Strength and hardness of metal increases

    C.

     Close dimensional tolerance can be maintained

    D.

     All of the above


  13. Most of the oxyacetylene welding is done with

  14. A.

     Neutral flame

    B.

     Oxidizing flame

    C.

     Carburising flame

    D.

     All of these


  15. The width of slot cut by a hacksaw blade is _______ the width of the blade.

  16. A.

     Equal to

    B.

     Less than

    C.

     Greater than

    D.

     None of these


  17. The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

  18. A.

     Outside micrometer

    B.

     Inside micrometer

    C.

     Depth gauge micrometer

    D.

     Combination set


  19. In a hot chamber die casting machine

  20. A.

     Ferrous alloys with low melting temperature are casted

    B.

     Ferrous alloys with high melting temperature are casted

    C.

     Nonferrous alloys with low melting temperature are casted

    D.

     Nonferrous alloys with high melting temperature are casted