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  • Question

  • Maximum shear stress theory for the failure of a material at the elastic limit, is known


  • Options
  • A. Guest's or Trecas' theory
  • B. St. Venant's theory
  • C. Rankine's theory
  • D. Haig's theory
  • E. Von Mises's theory.

  • Correct Answer
  • Guest's or Trecas' theory 

    • Theory of Structures problems

    Search Results

    • 1.  is the equation of Euler's crippling load if

    • Options
    • A. both at 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
    • 2. The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is

    • Options
    • A.
    • B.
    • C. 1
    • D. 2
    • E. 3
      • Discuss
    • 3. The forces acting on the bar as shown in the given figure introduce

    • Options
    • A. compressive stress
    • B. tensile stress
    • C. shear stress
    • D. none of these.
      • Discuss
    • 4. If normal stresses due to longitudinal and transverse loads on a bar are ?1 and ?2 respectively, the normal component of the stress on an inclined plane ?° to the longitudinal load, is

    • Options
    • A. ?1 sin ? x ?2 cos ?
    • B. ?1 sin ?2 + ?2 cos2 ?
    • C.
    • D.
      • Discuss
    • 5. The moment of inertia of a rectangular section of width B and depth D about an axis passing through C.G. and parallel to its width is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 6. If D and d are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about

    • Options
    • A. joint C
    • B. joint B
    • C. joint D
    • D. joint A
      • Discuss
    • 8. If a concrete column 200 x 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec

    • Options
    • A. 264 MN
    • B. 274 MN
    • C. 284 MN
    • D. 294 MN
    • E. None of these.
      • Discuss
    • 9. Gradually applied static loads do not change with time their

    • Options
    • A. magnitude
    • B. direction
    • C. point of application
    • D. all the above.
      • Discuss
    • 10. If M, I, R, E, F, and Y are the bending moment, moment of inertia, radius of curvature, modulus of elasticity stress and the depth of the neutral axis at section, then

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

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