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  • Question

  • If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by


  • Options
  • A. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the
  • B. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the
  • C. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the
  • D. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the

  • Correct Answer
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    • RCC Structures Design problems

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    • 1. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than

    • Options
    • A. 4 mm
    • B. 5 mm
    • C. 6 mm
    • D. 7 mm
    • E. 8 mm
      • Discuss
    • 2. The toe projection of foundation slabs is taken

    • Options
    • A. as one third of the base
    • B. as one sixth of overall height of the wall
    • C. equal to heel slab
    • D. below ground surface.
      • Discuss
    • 3. For stairs spanning horizontally, the minimum waist provided is

    • Options
    • A. 4 cm
    • B. 6 cm
    • C. 8 cm
    • D. 10 cm
    • E. 12 cm.
      • Discuss
    • 4. If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is

    • Options
    • A. 0.496%
    • B. 0.596%
    • C. 0.696%
    • D. 0.796%
    • E. none of these.
      • Discuss
    • 6. If H is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

    • Options
    • A. 0.3 H
    • B. 0.4 H
    • C. 0.5 H
    • D. 0.6 H
    • E. 0.7 H
      • Discuss
    • 7. If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 8. If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

    • Options
    • A. 37 cm
    • B. 38 cm
    • C. 39 cm
    • D. 40 cm
      • Discuss
    • 9. A pre-stressed concrete member

    • Options
    • A. is made of concrete
    • B. is made of reinforced concrete
    • C. is stressed after casting
    • D. possesses internal stresses.
      • Discuss
    • 10. In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called

    • Options
    • A. under-reinforced section
    • B. over reinforced section
    • C. economic section
    • D. critical section.
      • Discuss

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