Widely spaced ____ in the exterior walls of a post-and-beam frame allow for wide expanses of glass to be used from floor to ceiling.
a.lintels
b.panels
c.floor beams
d.posts
ANS:D
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___________ backflow is a reversal of normal flow in a system caused by a negative pressure (vacuum) in the potable water supply.
a. Gravity b. Back-siphonage c. Back-pressure d. none of the above
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A herbicide that kills all plants is called ____________________
Fill in the blank(s) with correct word
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Determine the volume of the angle iron in cubic inches to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).
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Dimensions and fabrication specifications are commonly included in erection assemblies.
Answer the following statement true (T) or false (F)
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