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Mechanical Engineering :: Strength of Materials

  1. A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be

  2. A.
    -100 MPa
    B.
    250 MPa
    C.
    300 MPa
    D.
    400 MPa

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  3. The polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is

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  5. The ratio of linear stress to the linear strain is called

  6. A.
    modulus of rigidity
    B.
    modulus of elasticity
    C.
    bulk modulus
    D.
    Poisson's ratio

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  7. The bending equation is

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  9. A riveted joint may fail by

  10. A.
    tearing of the plate at an edge
    B.
    tearing of the plate across a row of rivets
    C.
    shearing of rivets
    D.
    any one of these

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  11. A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.

  12. A.
    True
    B.
    False

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  13. The maximum bending moment for the beam shown in the below figure, is

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  15. When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

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  17. The bending moment diagram for a simply supported beam loaded in its centre is

  18. A.
    a right angled triangle
    B.
    an issoscles triangle
    C.
    an equilateral triangle
    D.
    a rectangle

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  19. A load which acts at a point on a beam is not called uniformly distributed load.

  20. A.
    Agree
    B.
    Disagree

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