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Mechanical Engineering :: Machine Design

  1. When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

  2. 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


  3. Which one of the following loading is considered for the design of axles?

  4. A.

    Bending moment only

    B.

    Twisting moment only

    C.

    Combined bending moment and twisting moments

    D.

    Combined action of bending moment, twisting moment and axial thrust


  5. The shear stress in a beam varies from zero at the outer fibres to a maximum at the neutral surface.

  6. A.

    Yes

    B.

    No


  7. A basic hole is one whose

  8. A.

    lower deviation is zero

    B.

    upper deviation is zero

    C.

    lower and upper deviations are zero

    D.

    none of these


  9. In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

  10. A.

    90°

    B.

    135°

    C.

    160°

    D.

    180°