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  • Question
  • If ?H and ?V are the algebraic sums of the forces resolved horizontally and vertically respectively, and ?M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon


  • Options
  • A. ?H = 0
  • B. ?V = 0
  • C. ?M = 0
  • D. all the above.

  • Correct Answer
  • all the above. 


  • Theory of Structures problems


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    • 1. A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm2 is :

    • Options
    • A. 4.0 mm
    • B. 4.5 mm
    • C. 5.0 mm
    • D. 5.5 mm
    • E. 6.0 mm
    • Discuss
    • 2. A truss containing j joints and m members, will be a simple truss if

    • Options
    • A. m = 2j - 3
    • B. j = 2m - 3
    • C. m = 3j - 2
    • D. j = 3m - 2
    • Discuss
    • 3. The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 4. The tangential component of stress on an plane inclined ?° to the direction of the force, may be obtained by multiplying the normal stress by

    • Options
    • A. sin ?
    • B. cos ?
    • C. tan ?
    • D. sin ? cos ?
    • E. sin2?
    • Discuss
    • 5. The shape factor of standard rolled beam section varies from

    • Options
    • A. 1.10 to 1.20
    • B. 1.20 to 1.30
    • C. 1.30 to 1.40
    • D. 1.40 to 1.50
    • Discuss
    • 6. Pick up the correct statement from the following:

    • Options
    • A. In a loaded beam, the moment at which the first yield occurs is called yield moment
    • B. In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment
    • C. In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area
    • D. The ratio of plastic moment to the yield moment, is called shape factor
    • E. All the above.
    • Discuss
    • 7. The ratio of maximum shear stress to average shear stress of a circular beam, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 8. In plastic analysis, the shape factor for a circular section, is

    • Options
    • A. 1.5
    • B. 1.6
    • C. 1.7
    • D. 1.75
    • Discuss
    • 9. The normal component of a force inclined through ?° is obtained by multiplying the force by

    • Options
    • A. sin ?
    • B. cos ?
    • C. tan ?
    • D. sin ? cos ?
    • E. sin2?
    • Discuss
    • 10. For calculating the allowable stress of long columns. The empirical formula , is known as

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


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