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  3. 2 a roof beam supporting an acoustical tile ceiling is...

Question: 2 a roof beam supporting an acoustical tile ceiling is...

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2. A roof beam supporting an acoustical tile ceiling is carrying three concentrated loads at quarter points along its span length of24. The loads consist of 850 Ibs dead load and 2650 lbs live load each. Using Douglas Fir-Larch Dense No. 1 grade wood, design the most economical section based on deflection.

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