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  • Question

  • The moment of inertia of a triangular section (height h, base b) about its base, is


  • Options
  • A. The moment of inertia of a triangular section (height h, base b) about its base, is
  • B. The moment of inertia of a triangular section (height h, base b) about its base, is
  • C. The moment of inertia of a triangular section (height h, base b) about its base, is
  • D. The moment of inertia of a triangular section (height h, base b) about its base, is

  • Correct Answer
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    • Theory of Structures problems

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    • 1. A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 x 106 N/mm2, the deflection of the free end, is

    • Options
    • A. 2 mm
    • B. 3 mm
    • C. 4 mm
    • D. 5 mm
    • E. 6 mm
      • Discuss
    • 2. In the truss, the force in the member AC is

    • Options
    • A. 6.25 t compressive
    • B. 8.75 t tentile
    • C. t tensile
    • D. t compressive.
      • Discuss
    • 3. A three hinged arch is generally hinged at its supports and

    • Options
    • A. at one quarter span
    • B. at the crown
    • C. any where in the rib
    • D. none of these.
      • Discuss
    • 4. The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. 1.0
      • Discuss
    • 5.  is the equation for Euler's crippling load if

    • Options
    • A. both the ends are fixed
    • B. both the ends are hinged
    • C. one end is fixed and other end is free
    • D. one end is fixed and other end is hinged.
      • Discuss
    • 6. Pick up the correct statement from the following:

    • Options
    • A. The bending stress in a section is zero at its neutral axis and maximum at the outer fibres
    • B. The shear stress is zero at the outer fibres and maximum at the neutral axis
    • C. The bending stress at the outer fibres, is known as principal stress
    • D. The planes of principal stresses are inclined at 45° to the neutral plane
    • E. All the above.
      • Discuss
    • 7. If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm2, the angle of twist in radians, is

    • Options
    • A. 0.001
    • B. 0.002
    • C. 0.0025
    • D. 0.003
    • E. 0.005
      • Discuss
    • 8. The general expression for the B.M. of a beam of length l is the beam carries

    • Options
    • A. a uniformly distributed load w/unit length
    • B. a load varying linearly from zero at one end to w at the other end
    • C. an isolated load at mid span
    • D. none of these.
      • Discuss
    • 9. A cantilever of length L is subjected to a bending moment M at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The horizontal thrust on the ends of a two hinged semicircular arch of radius R carrying

    • Options
    • A. a uniformly distributed load ? per unit run over its right half span, is
    • B. a uniformly distributed load ? per unit run over its entire span is
    • C. a distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is
    • D. all the above.
      • Discuss

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