Home / Mechanical Engineering / Strength of Materials :: Section 7

Mechanical Engineering :: Strength of Materials

  1. The centre to centre distance, between two consecutive rivets in a row, is called

  2. A.
    margin
    B.
    pitch
    C.
    back pitch
    D.
    diagonal pitch

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. The buckling load for a given column depends upon

  4. A.
    area of cross-section of the column
    B.
    length and least radius of gyration of the column
    C.
    modulus of elasticity for the material of the column
    D.
    all of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. A continuous beam is one which is

  6. A.
    fixed at both ends
    B.
    fixed at one end and free at the other end
    C.
    supported on more than two supports
    D.
    extending beyond the supports

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is

  8. A.
    compressive stress, tensile strain
    B.
    tensile stress, compressive strain
    C.
    tensile stress, tensile strain
    D.
    compressive stress, compressive strain

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where η = Efficiency of the riveted joint)

  10. View Answer

    Workspace

    Discuss Discuss in Forum


  11. According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end hinged, is

  12. View Answer

    Workspace

    Discuss Discuss in Forum


  13. The pull required to shear off a rivet, in double shear, per pitch length is

  14. A.
    π/4 x d2 x σt
    B.
    π/4 x d2 x τ
    C.
    π/2 x d2 x σt
    D.
    π/2 x d2 x τ

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The relation between modulus of elasticity (E) and modulus of rigidity (C) is given by

  16. View Answer

    Workspace

    Discuss Discuss in Forum


  17. Lame's theory is associated with

  18. A.
    thin cylindrical shells
    B.
    thick cylindrical shells
    C.
    direct and bending stresses
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The ductility of the material __________ with the decrease in percentage elongation of a specimen under tensile test.

  20. A.
    increases
    B.
    decreases
    C.
    remains same

    View Answer

    Workspace

    Discuss Discuss in Forum