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  • Question

  • 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 A material which obeys Hook's law, is subjected to direct stress ?0. At its elastic limit, the follo
  • B. Maximum shear stress =A material which obeys Hook's law, is subjected to direct stress ?0. At its elastic limit, the follo
  • C. Strain energy =A material which obeys Hook's law, is subjected to direct stress ?0. At its elastic limit, the follo
  • D. Shear strain energy =A material which obeys Hook's law, is subjected to direct stress ?0. At its elastic limit, the follo
  • E. All the above.

  • Correct Answer
  • All the above. 

    • Theory of Structures problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. Total strain energy theory for the failure of a material at 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.
      • Discuss
    • 4. A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

    • Options
    • A. 10 m
    • B. 12 m
    • C. 14 m
    • D. 16 m
    • E. 18 m
      • Discuss
    • 5. Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as

    • Options
    • A. Compound beams
    • B. Indeterminate beams
    • C. Determinate beams
    • D. Composite beams.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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.
    • B.
    • C.
    • D.
      • Discuss
    • 9. 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
    • 10. 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

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