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Moisture content in wood

The amount of shrinkage, weight, strength, and withdrawal resistance of nails is affected by the moisture content in wood. Wood that is grademarked kiln dry has a maximum moisture content of: A. 15% B. 19% C. 25% D. 30% Answer A. 15%. Dry lumber moisture content cannot exceed 19%. ARE 4.0 exam prep: SS
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Cantilevered beam

The bending moment in a cantilevered beam is negative. Which of the following statements are true? A. the top fibers are in compression B. the bottom fibers are in compression C. rebar placement should be either at the top or the bottom D. gravity loads are not a factor for negative moment Answer B. the bottom fibers are in compression in a cantilevered beam, so top fibers are in tension which requires rebar placement at the top to resist tension. ARE 4.0 exam prep: SS
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Important Factors Classification

According to IBC's classification of buildings and other structures for importance factors, which of the following occupancy categories include hospitals and other health care facilities having surgery or emergency treatment facilities? A. I B. II C. III D. IV Answer IV. gives an importance factor I of 1.5 for seismic, 1.2 for snow, 1.15 for wind. These buildings are designed as essential facilities, representing the greatest hazard to human life in the event of failure. ARE 4.0 exam prep: SS
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