An advantage of using fiberglass duct instead of sheet metal is that _____
a. fiberglass is heavier than sheet metal
b. fiberglass can be used with only a thin layer of additional insulation
c. fiberglass lowers the air leakage rate
d. all fiberglass duct is flexible
c
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Physical weathering is the disintegration of rock by only temperature, water, and wind
Indicate whether the statement is true or false.
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How do Dr. Deming's fourteen points interact with each other?
What will be an ideal response?
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UL Class B represents
A) the fire rating of a roof assembly. B) the wind-uplift resistance of a roof assembly. C) the hail-impact resistance of a roof assembly. D) none of the above.
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Answer the following statement(s) true (T) or false (F)
A suspended ceiling system consists of panels that are laid into a metal grid.
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