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Mechanical Engineering :: Workshop Technology

  1. The directional solidification in casting can be improved by using

  2. A.

     Chills and chaplets

    B.

     Chills and padding

    C.

     Chaplets and padding

    D.

     Chills, chaplets and padding

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  3. In a compound die

  4. A.

     Only one operation is performed at each stroke of the ram

    B.

     Two or more operations are performed simultaneously at the single stroke of the ram

    C.

     Two or more cutting operations are performed at one station of the press in every stroke of the ram

    D.

     Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

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  5. In a simple die

  6. A.

     Two or more operations are performed simultaneously at the single stroke of the ram

    B.

     Two or more cutting operations are performed at one station of the press in every stroke of the ram

    C.

     Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

    D.

     None of the above

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  7. Linde welding uses

  8. A.

     Neutral flame and rightward technique

    B.

     Oxidizing flame and leftward technique

    C.

     Neutral flame and leftward technique

    D.

     Carburising flame and rightward technique

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  9. A neutral flame is obtained by supplying

  10. A.

     Equal volumes of oxygen and acetylene

    B.

     More volume of oxygen and less volume of acetylene

    C.

     More volume of acetylene and less volume of oxygen

    D.

     None of the above

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  11. The electrodes used in spot welding have a tip of

  12. A.

     Stainless steel

    B.

     Aluminium

    C.

     Copper

    D.

     Brass

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  13. The cold chisels are made by

  14. A.

     Drawing

    B.

     Rolling

    C.

     Piercing

    D.

     Forging

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  15. The minimum size of a bloom is

  16. A.

     5 cm × 5 cm

    B.

     10 cm × 10 cm

    C.

     15 cm × 15 cm

    D.

     20 cm × 20 cm

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  17. When the file is moved to and fro over the work, it is known as

  18. A.

     Cross filing

    B.

     Draw filing

    C.

     Pull and push filing

    D.

     None of these

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  19. The binder commonly used in making oil sand, is

  20. A.

     Clay type binder

    B.

     Organic type binder

    C.

     Inorganic type binder

    D.

     Any one of these

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