The thickness of flat double lacing, is taken (where l is the effective length o

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The thickness of flat double lacing, is taken (where l is the effective length of the bar).
Options
A.
B.
C.
D.
E.

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Structural Design Specifications problems

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3. The staggered pitch is the distance between two consecutive rivets measured
Options
A. parallel to the direction of stress in the member
B. perpendicular to the direction of stress in the member
C. diagonally
D. none of these.

4. In the formula
Options
A. A and B are the dimensions of the column
B. A and B are the dimensions of the base plate
C. A is the greater projection of the plate beyond the column
D. B is the lesser projection of the plate beyond the column
E. Both (c) and (d) of above.

5. Four reinforcing bars of 30 mm diameter each, are bundled in contact. The lower two bars extend up to end supports. The distance between the points of termination of the upper bars, is kept
Options
A. zero
B. 1.2 m
C. 0.9 m
D. 0.75 m

8. 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%

9. 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.

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