What is the airflow in CFM through a 10 inch by 20 inch duct with a total pressure of 0.15 inches wc and a static pressure of 0.1 inches wc?
What will be an ideal response?
0.15 – 0.1 = 0.05 inches wc velocity pressure
4005 x ?0.05 = 896 CFM
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Fill in the blank(s) with the appropriate word(s).
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