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  • Question

  • The effective length of lacing is the distance


  • Options
  • A. between the inner end rivets of the bar for single lacing
  • B. 0.7 of the distance between the inner end rivets of the bar for double lacing
  • C. between the inner ends of effective lengths of welds connecting the members
  • D. 0.7 of the distance stated in (c)
  • E. all the above.

  • Correct Answer
  • all the above. 

    • Structural Design Specifications problems

    Search Results

    • 1. The structure which is subjected to an imposed load after 72 hours for a period of 24 hours, is deemed to be unacceptable if it fails to recover the net deflection less than

    • Options
    • A. 90%
    • B. 85%
    • C. 80%
    • D. 75%
      • Discuss
    • 2. The minimum thickness of the web plate for a crane gantry plate girder with a lifting load exceeding 15 tonnes, is

    • Options
    • A. 4 mm
    • B. 5 mm
    • C. 6 mm
    • D. 8 mm
      • Discuss
    • 3. The side face reinforcement is provided if the depth of the web of a beam exceeds

    • Options
    • A. 600 mm
    • B. 650 mm
    • C. 700 mm
    • D. 750 mm
    • E. 800 mm
      • Discuss
    • 4. The thickness of flat double lacing, is taken (where l is the effective length of the bar).

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 5. If a and b are the sides of a square column and its base, the thickness of the base may be calculated from the formula

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. The total area of side face reinforcement, in case of a deep beam should not be less than

    • Options
    • A. 0.1% of web area
    • B. 0.2% of web area
    • C. 0.3% of web area
    • D. 0.4% of web area.
      • Discuss
    • 7. The width of lacing bars in mm is kept

    • Options
    • A. equal to nominal rivet diameter
    • B. twice the nominal rivet diameter
    • C. thrice the nominal rivet diameter
    • D. maximum of the above rounded to nearest 5 mm.
      • Discuss
    • 8. The development length of each bar of three bars bundled together is increased by

    • Options
    • A. 10%
    • B. 20%
    • C. 33%
    • D. 50%
      • Discuss
    • 9. The ratio of the lacing bars for compression members shall not exceed

    • Options
    • A. 80
    • B. 120
    • C. 145
    • D. 200
      • Discuss
    • 10. The flat slab is a reinforced concrete slab with or without drops and is supported

    • Options
    • A. on columns without column head
    • B. on columns with column head
    • C. on beams
    • D. None of these.
      • Discuss

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