| Q. |
Pick up the correct statement from the following: |
| A. | vertical stiffeners may be placed in pairs one on each side of the web |
| B. | single vertical stiffeners may be placed alternately on opposite sides of the web |
| C. | horizontal stiffeners may be placed alternately on opposite sides of the web |
| D. | all the above |
| Answer» D. all the above | |
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