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  • Question

  • For calculating the allowable stress of long columns For calculating the allowable stress of long columns is the empirical formula, known as Straight lin is the empirical formula, known as


  • Options
  • A. Straight line formula
  • B. Parabolic formula
  • C. Perry's formula
  • D. Rankine's formula.

  • Correct Answer
  • Parabolic formula 

    • Theory of Structures problems

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    • 1. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. Shear centre of a half circular section of radius r and of constant thickness, lies at a distance of x from the centre where x is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. A shaft rotating N.R.M. under a torque T, transmits a power

    • Options
    • A. Newton metres/sec
    • B. Newton metres/min
    • C. Newton metres/min
    • D. Newton metres/sec
      • Discuss
    • 4. The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 5. For beams breadth is constant,

    • Options
    • A. depth d ? M
    • B. depth d ? M
    • C. depth d ? 3 M
    • D. depth d ?
      • Discuss
    • 6. In the cable shown in the given figure, the minimum tension occurs at

    • Options
    • A. A
    • B. B
    • C. C
    • D. between A and C
    • E. between B and C
      • Discuss
    • 7. The force in CD of the truss shown in given figure, is

    • Options
    • A. 3t compression
    • B. 3t tension
    • C. zero
    • D. 1.5t compression
    • E. 1.5t tension
      • Discuss
    • 8. The forces acting normally on the cross section of a bar shown in the given figure introduce

    • Options
    • A. compressive stress
    • B. tensile stress
    • C. shear stress
    • D. none of these.
      • Discuss
    • 9. The deflection curve for the portal frame shown in the given figure is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Pick up the correct statement from the following:

    • Options
    • A. The structural member subjected to compression and whose dimensions are small as compared to its length, is called a stmt
    • B. The vertical compression members, are generally known as columns or stanchions
    • C. Deflection in lateral direction of a long column, is generally known as buckling
    • D. All the above.
      • Discuss

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