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  • Question

  • The value of fbct in the formula The value of fbct in the formula for calculating the thickness of a Rectangular base, according to I for calculating the thickness of a Rectangular base, according to IS : 800-1982, is


  • Options
  • A. 1500 kg/cm2
  • B. 1650 kg/cm2
  • C. 1800kg/cm2
  • D. 1890 kg/cm2

  • Correct Answer
  • 1890 kg/cm2 

    • Structural Design Specifications problems

    Search Results

    • 1. The minimum pitch i.e., the distance between centres of rivet holes is not less than

    • Options
    • A. 1.5 times the hole diameter
    • B. 2.0 times the hole diameter
    • C. 2.5 times the hole diameter
    • D. 3.0 times the hole diameter
    • E. None of these.
      • Discuss
    • 2. If D is the overall thickness of the slab, the diameter of the reinforcing bars should not exceed

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 3. The minimum compressive strength on 15 cm cubes of M 30 grade concrete at 7 days, should be a minimum of

    • Options
    • A. 7 N/mm2
    • B. 10 N/mm2
    • C. 20 N/mm2
    • D. 30 N/mm2
      • Discuss
    • 4. The distance between, rivet line and the nearest edge of a joint not exposed to weather, is taken (where t is thickness in mm of the thinner outside plate).

    • Options
    • A. 6 t
    • B. 8 t
    • C. 10 t
    • D. 12 t
      • Discuss
    • 5. If the slenderness ratio of a column is more than 160, the compressive stress obtained by the secant formula is multiplied by a factor in which value of x is

    • Options
    • A. 0.9
    • B. 1.1
    • C. 1.2
    • D. 1.5
    • E. None of these.
      • Discuss
    • 6. For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to

    • Options
    • A. 5 mm less than the minimum clear distance between the main bars
    • B. 5 mm less than the minimum cover to the reinforcement
    • C. smaller of (a) and (b)
    • D. greater of (a) and (b)
      • Discuss
    • 7. The concrete is deemed not to comply with the strength requirements if the strength is less than the greater of

    • Options
    • A. characteristic strength minus 1.35 times the standard deviation
    • B. 0.8 times the characteristic strength
    • C. the average strength of all the samples is less than the characteristic strength plus times the standard deviation.
    • D. all the above.
      • Discuss
    • 8. In case of continuous beams, the distance between the points of zero moment, may be obtained as (where l is the effective span).

    • Options
    • A. 0.5 l
    • B. 0.6 l
    • C. 0.7 l
    • D. 0.8 l
      • Discuss
    • 9. If a column is subjected to dead load and super imposed load only, the maximum ratio should not be greater than

    • Options
    • A. 180
    • B. 250
    • C. 350
    • D. 400
      • Discuss
    • 10. The creep coefficient i.e. the ratio of ultimate creep and elastic strain after

    • Options
    • A. 7 days is 2.2
    • B. 28 days is 1.6
    • C. 365 days is 1.1
    • D. all the above.
      • Discuss

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