The ratio of the lacing bars for compression members shall not exceed 80 120 145

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Question
The ratio of the lacing bars for compression members shall not exceed
Options
A. 80
B. 120
C. 145
D. 200

Correct Answer

145

Structural Design Specifications problems

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2. 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.

4. 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.

5. 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%

8. Pick up the correct statement from the following:
Options
A. Flange joints are preferably located at points of maximum stress
B. The area of splice plates should be 5% in excess of flange elements spliced
C. The C.G. of the flange splice should coincide with that of the element spliced
D. For welding flange splice, complete penetration butt welds should be used
E. None of these.

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