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  • Question
  • The over all depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than


  • Options
  • A. 30 cm
  • B. 40 cm
  • C. 45 cm
  • D. 60 cm

  • Correct Answer
  • 45 cm 


  • Structural Design Specifications problems


    Search Results


    • 1. Pick up the incorrect statement from the following:

    • Options
    • A. The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness
    • B. The gross section of the web of channels is the depth of the web multiplied by its thickness
    • C. The gross section of the web of plate girders is the depth of the web plate multiplied by its thinkness
    • D. None of these.
    • Discuss
    • 2. In adverse circumtances, the reinforced concrete member immersed in sea water or subjected to sea spray, the maximum permissible cover for the reinforcing bars, should not exceed

    • Options
    • A. 40 mm
    • B. 50 mm
    • C. 60 mm
    • D. 70 mm
    • E. 75 mm
    • Discuss
    • 3. The grade of plain concrete to be used in sea water or structures exposed to sea water, should be

    • Options
    • A. M lO
    • B. M 15
    • C. M 20
    • D. M 30
    • Discuss
    • 4. For the stability of a structural part, the weight or anchorage should be

    • Options
    • A. 1.2 times the minimum overturning moment due to dead load
    • B. 1.4 times the minimum overturning moment due to dead load
    • C. sum of (a) and (b)
    • D. none of these.
    • Discuss
    • 5. The cover to the main reinforced may be reduced up to one third of the specified cover but not less than

    • Options
    • A. 5 mm
    • B. 7 mm
    • C. 10 mm
    • D. 15 mm
    • Discuss
    • 6. The slenderness ratio of single angle discontinuous struts conmected by a single rivet or bolt, shall not exceed

    • Options
    • A. 110
    • B. 130
    • C. 150
    • D. 180
    • Discuss
    • 7. If l is the effective span in metres and D is overall depth of the section in mm, the structure may be accepted after 24 hour load test, provided the maximum deflection in mm is less than

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 8. The reinforcing bars in beams are not bundled in contact if the diameter of the bars, exceeds

    • Options
    • A. 12 mm
    • B. 20 mm
    • C. 35 mm
    • D. 30 mm
    • E. 36 mm
    • Discuss
    • 9. The ratio of minimum compressive strength on 15 cm cubes prepared with the concrete of M 20 grade and M 40 grade, at 7 days should be at least

    • Options
    • A. 1/3
    • B. 1/2
    • C. 3/2
    • D. 2.0
    • Discuss
    • 10. Moist curing of the exposed surfaces of concrete is done at least for

    • Options
    • A. 3 days
    • B. 5 days
    • C. 7 days
    • D. 14 days
    • Discuss


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