Which of the following are composed of a continuous core of rigid foam insulation laminated between two layers of structural board with an adhesive to form a single solid pane?
A. structural insulated panels
B. oriented strand boards
C. expanded polystyrene boards
D. steel studs
Answer: A
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Explain how air-entrainment in concrete increases concrete's durability to freeze-thaw action.
What will be an ideal response?
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If a system has a(n) ___ for a metering device, the device will try to maintain evaporator superheat even with an excessive overcharge.
Fill in the blank(s) with the appropriate word(s).
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The use of concrete buggies has increased significantly in recent years.
Answer the following statement true (T) or false (F)
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Which of the following breeds of sheep is well adapted to range conditions in the southwestern United States?
a. Merino c. Corriedale b. Debouillet d. Columbia
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