A column of rectangular section is considered short, if both the slenderness rat

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Question
A column of rectangular section is considered short, if both the slenderness ratios are less than
Options
A. 8
B. 10
C. 12
D. 16

Correct Answer

12

Structural Design Specifications problems

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1. 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.

2. 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.

3. 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

4. For under water concreting.
Options
A. at least 10 percent more cement is required as compared to dry conditions
B. the volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate
C. the slump should not be less than 100 mm and not more than 180 mm
D. dewatering by pumping is not done or until 24 hours thereafter
E. All the above

10. 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%

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