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Extracted text: 12000lb A 77777 木 5-4 15'– The absolute value of maximum moment, Maemand for this beam (absolute value from the moment diagram) is k-ft. (Pay attention to your units!) The bebm's unbraced span length is ft. (Note, for the two unbraced span lengths that this beam has, we are just looking for the one that controls the design.) The W is the lightest/most economical W-shape to carry the maximum moment for this span. Problem 1, Part I The capacity, Meap. of the most economical beam at this span length is k-ft. (The grading key is looking for the value to a single decimal place.) 10,000