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Try These Too!

Efficient columns

The radius of gyration in the Y-Y axis would be equal to that in the X-X axis in an ideally efficient column. Which of the following sections are most appropriate for both heavy loads and for which many beam connections will be necessary? A. pipe column B. square tube column C. wide-flange column D. C-shape channel E. WT shapes Answer C. wide-flange column. Pipe & square tube columns are more ideal shapes, but are appropriate for light to moderate loads. The radius of gyration of wide-flange shapes can be nearly or close to equal. ARE 4.0 exam prep: SS

Elevator bank layouts

An office building has an elevator bank with 4 elevators where 2 cabs side-by-side are arranged opposite the other 2. Each of the elevators is 3500-pound capacity with an interior cab dimension of 6'8" x 5'4". What is the recommended corridor width at this group? A. 8 feet B. 9 feet C. 11 feet D. 12 feet Answer C. 11 feet. At 1.5-2 times the car depth (5'4), this could be a range, but 10 feet is a minimum for groups of 4 or more. Therefore C is the best choice. ARE 4.0 exam prep: BDCS