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  • Question

  • The minimum horizontal distance between two parallel main reinforcing bars, is


  • Options
  • A. the diameter of the bar if their diameters are same
  • B. the diameter of the longer bar if their diameters are unequal
  • C. 5 mm more than nominal maximum size of the coarse aggragate
  • D. greatest value of the above.

  • Correct Answer
  • greatest value of the above. 

    • Structural Design Specifications problems

    Search Results

    • 1. Generally acceptable nominal size of aggregates for reinforced concrete, is

    • Options
    • A. 10 mm
    • B. 15 mm
    • C. 20 mm
    • D. 25 mm
    • E. 40 mm
      • Discuss
    • 2. If fck is the characteristic cube strength of concrete in N/mm2, the modulus of elasticity of structural concrete Ec = afck where the value of a, is

    • Options
    • A. 5900
    • B. 5800
    • C. 5700
    • D. 5600
    • E. 5500
      • Discuss
    • 3. The grade of reinforced concrete to be used in sea water or structures exposed to sea water should be

    • Options
    • A. M 10
    • B. M 15
    • C. M 20
    • D. M 30
      • Discuss
    • 4. The minimum diameter of longitudinal reinforcement of a column should not be less than

    • Options
    • A. 6 mm
    • B. 8 mm
    • C. 10 mm
    • D. 12 mm
    • E. 20 mm
      • Discuss
    • 5. For calculating critical compression stress in bending Cs for sections symmetrical about the x-x axis, from the formula , the value of G is taken

    • Options
    • A. 0.2 E
    • B. 0.3 E
    • C. 0.4 E
    • D. 0.5 E
      • Discuss
    • 6. Removal of props under

    • Options
    • A. slabs spanning upto 4.5 m is 7 days
    • B. slabs spanning more than 4.5 m is 14 days
    • C. beams spanning upto 6 m is 14 days
    • D. beams spanning more than 6 m is 21 days
    • E. all the above.
      • Discuss
    • 7. Pick up the correct statement for the web stiffeners.

    • Options
    • A. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
    • B. d is the distance between flange angles or the clear distance between flanges
    • C. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
    • D. all the above.
      • Discuss
    • 8. Bending moment values for filler joists

    • Options
    • A. near middle of end span is +
    • B. at support next to end support is -
    • C. at middle of interior spans is +
    • D. at other interior supports is -
    • E. all the above.
      • Discuss
    • 9. For concreting of heavily reinforced sections without vibration, the workability of concrete should be

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

    • Options
    • A. The distance between centres of two adjacent rivets in line with the direction of stress shall not exceed 16 t or 200 mm whichever is less in tension members
    • B. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members
    • C. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole
    • D. The distance between centres of any two consecutive rivets in a line adjacent and parallel to an edge of an outside plate shall hot exceed 100 mm + 4 t or 200 mm whichever is less both in compression and tension
    • E. All the above.
      • Discuss

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