A collar tie adds structural strength to rafters in a stick-built roof system. What other framing function might collar ties provide?

A) They may double a shortened ceiling joists. B) They may decrease lateral stability.
C) They may always used with purlins D) They may provide support for gable end walls


A

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Cite characteristics of wind farm designs.

What will be an ideal response?

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Find length x in the accompanying figure. Give your answer to the nearest thousandth inch.

A. 3.665 B. 3.748 C. 3.799 D. 3.850

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Bend allowance the amount of extra material needed for a bend to compensate for compression during the bending process.

Answer the following statement true (T) or false (F)

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Sodic soils generally have a poor physical condition. To what is this most likely due?

A) impact of raindrops on the soil surface B) precipitation of the Ca2+ and Mg2+ ions as carbonates C) dispersal of the Na saturated soil colloids D) low organic matter content E) high content of smectite in the soils

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