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Mechanical Engineering :: Machine Design

  1. A turn buckle is used to connect two round rods subjected to tensile loading and requiring subsequent adjustment for tightening or loosening.

  2. A.

    Yes

    B.

    No


  3. The plasticity is the property of a material which enables it to

  4. A.

    regain its original shape after deformation when the external forces are removed

    B.

    draw into wires by the application of a tensile force

    C.

    resist fracture due to high impact loads

    D.

    retain deformation produced under load permanently


  5. An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load W. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

  6. A.

    one-eighth

    B.

    one-fourth

    C.

    one-half

    D.

    double


  7. An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load W. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.

  8. A.

    one-eighth

    B.

    one-fourth

    C.

    one-half

    D.

    double


  9. When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the

  10. A.

    initial tension

    B.

    external load applied

    C.

    sum of the initial tension and external load applied

    D.

    initial tension or external load, whichever is greater