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  • Question

  • The section modulus of a rectangular section is proportional to


  • Options
  • A. area of the section
  • B. square of the area of the section
  • C. product of the area and depth
  • D. product of the area and width
  • E. half moment of inertia of the section.

  • Correct Answer
  • area of the section 

    • Strength of Materials problems

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    • 1. Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose

    • Options
    • A. one end is fixed and other end is hinged
    • B. both ends are hinged or pin jointed
    • C. one end is fixed and the other end entirely free
    • D. both the ends are fixed
    • E. none of the these.
      • Discuss
    • 2. The bending moment at C of a portal frame shown in below figure is

    • Options
    • A. 8 t-m
    • B. 4 t-m
    • C. 28 t-m
    • D. 16 t-m
    • E. zero.
      • Discuss
    • 3. If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose side is

    • Options
    • A. 17.32 cm
    • B. 14.14 cm
    • C. 20.00 cm
    • D. 22.36 cm
    • E. 25.22 cm.
      • Discuss
    • 5. For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter

    • Options
    • A. d/2
    • B. d/3
    • C. d/4
    • D. d/8
    • E. d/10
      • Discuss
    • 6. The maximum load to which a fillet joint of length L can be subjected to, is

    • Options
    • A. 0.7 x S x fillet size x L
    • B. 2 x S x fillet size x L
    • C. permissible shear stress x fillet size x L
    • D.
    • E. none of these.
      • Discuss
    • 7. A rectangular log of wood is floating in water with a load of 100 N at its centre. The maximum shear force in the wooden log is

    • Options
    • A. 50 N at each end
    • B. 50 N at the centre
    • C. 100 N at the centre
    • D. none of these.
      • Discuss
    • 8. For a beam of uniform strength keeping its depth constant, the width will vary in proportion to

    • Options
    • A. bending moment (M)
    • B. M
    • C. M2
    • D. none of these.
      • Discuss
    • 9. The width of a beam of uniform strength having a constant depth d length L, simply supported at the ends with a central load W is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The ratio of the maximum deflection of a cantilever beam with an isolated load at its free end and with a uniformly distributed load over its entire length, is

    • Options
    • A. 1
    • B.
    • C.
    • D.
    • E.
      • Discuss

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