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  • Question

  • According to the steel beam theory of doubly reinforced beams


  • Options
  • A. tension is resisted by tension steel
  • B. compression is resisted by compression steel
  • C. stress in tension steel equals the stress in compression steel
  • D. no stress is developed in compression concrete as well as in tension concrete
  • E. all the above.

  • Correct Answer
  • all the above. 

    • RCC Structures Design problems

    Search Results

    • 1. A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is

    • Options
    • A.
    • B.
    • C.
    • D. all the above
      • Discuss
    • 2. Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 3. A raft foundation is provided if its area exceeds the plan area of the building by

    • Options
    • A. 10%
    • B. 20%
    • C. 30%
    • D. 40%
    • E. 50%
      • Discuss
    • 4. If jd is the lever arm and ?O is the total perimeter of reinformcement of an R.C.C. beam, the bond stress at the section having Q shear force, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is

    • Options
    • A. 200 cm
    • B. 300 cm
    • C. 150 cm
    • D. 100 cm
      • Discuss
    • 6. The spacing of transverse reinforcement of column is decided by the following consideration.

    • Options
    • A. The least lateral dimension of the column
    • B. Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column
    • C. Forty-eight times the diameter of transverse reinforcement
    • D. All the above.
      • Discuss
    • 7. An under-reinforced section means

    • Options
    • A. Steel is provided at the under side only
    • B. Steel provided is insufficient
    • C. Steel provided on one face only
    • D. Steel will yield first.
      • Discuss
    • 8. The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as

    • Options
    • A. Freyssinet system
    • B. Magnel-Blaton system
    • C. C.C.L. standard system
    • D. Lee-McCall system.
      • Discuss
    • 9. If C is creep coefficient, f is original prestress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

    • Options
    • A. (1 - C)mf - eE
    • B. (C - 1)mf + eE
    • C. (C - 1)mf - eE
    • D. (1 - C)mf + eE
      • Discuss
    • 10. The maximum shear stress (q) in concrete of a reinforced cement concrete beam is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss

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