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  • Question

  • The greatest load which a spring can carry without getting permanently distorted, is called


  • Options
  • A. stiffness
  • B. prof resilience
  • C. proof stress
  • D. proof load.

  • Correct Answer
  • proof load. 

    • Theory of Structures problems

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    • 1. A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be

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    • 2. The ratio of lateral strain to axial strain of a homogeneous material, is known

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    • A. Yield ratio
    • B. Hooke's ratio
    • C. Poisson's ratio
    • D. Plastic ratio.
      • Discuss
    • 3. The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length, is (where Ic is the M.I. at the crown, which varies as the slope of the arch).

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    • 4. A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is

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    • 5. The degree of indeterminacy of the frame in the given figure, is

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    • A. 1
    • B. 2
    • C. 3
    • D. zero
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    • 6. Co-efficient of wind resistance of a circular surface, is

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    • 7. The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

    • Options
    • A. stiffness
    • B. proof resilience
    • C. proof stress
    • D. proof load.
      • Discuss
    • 8. A simply supported uniform rectangular bar breadth b, depth d and length L, carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is

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    • 9. For the close coil helical spring of the maximum deflection is

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    • 10. The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is

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