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  • Question

  • The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is


  • Options
  • A. The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/
  • B. The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/
  • C. The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/
  • D. The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/

  • Correct Answer
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    • Theory of Structures problems

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    • 1. The force in BF of the truss shown in given figure, is

    • Options
    • A. 4t tension
    • B. 4t compression
    • C. 4.5t tension
    • D. 4.5t compression
    • E. zero.
      • Discuss
    • 2. Pick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional to

    • Options
    • A. modulus of rigidity
    • B. angle of twist
    • C. reciprocal of the length of the shaft
    • D. moment of inertia of the shaft section.
      • Discuss
    • 3. A material which obeys Hook's law, is subjected to direct stress ?0. At its elastic limit, the following statement is true,

    • Options
    • A. Strain is equal to
    • B. Maximum shear stress =
    • C. Strain energy =
    • D. Shear strain energy =
    • E. All the above.
      • Discuss
    • 4. For determining the support reactions at A and B of a three hinged arch, points B and C are joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

    • Options
    • A. 30°
    • B. 45°
    • C. 60°
    • D. 90°
      • Discuss
    • 5. Shear strain energy theory for the failure of a material at elastic limit, is due to

    • Options
    • A. Rankine
    • B. Guest or Trecas
    • C. St. Venant
    • D. Haig
    • E. Von Mises.
      • Discuss
    • 6. A material may fail if

    • Options
    • A. maximum principal stress exceeds the direct stress ?0
    • B. maximum strain exceeds
    • C. maximum shear stress exceeds
    • D. total strain energy exceeds
    • E. all the above.
      • Discuss
    • 7. A material is said to be perfectly elastic if

    • Options
    • A. it regains its original shape on removal of the load
    • B. It regains its original shape partially on removal of the load
    • C. it does not regain its original shape at all
    • D. none of these.
      • Discuss
    • 8. In the truss shown in the given figure, the force in member BC is

    • Options
    • A. 100 t compressive
    • B. 100 t tensile
    • C. zero
    • D. indeterminate
      • Discuss
    • 9. Stress may be expressed in Newtons

    • Options
    • A. per millimetre square (N/mm2)
    • B. per centimetre square (N/cm2)
    • C. per metre square (N/m2)
    • D. none of these.
      • Discuss
    • 10. Pick up the correct statement from the following:

    • Options
    • A. The point of intersection of the bending axis with the cross section of the beam, is called shear centre
    • B. For I sections, the shear centre coincides with the centroid of the cross section of the beam
    • C. For channels, the shear centre does not concide its centroid
    • D. Bending loads should pass through the shear centre to avoid twisting
    • E. All the above.
      • Discuss

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