What is the normal maximum air velocity across the face of a low efficiency panel filter?

A) 300 feet per minute B) 1000 feet per minute
C) 600 feet per minute D) 100 feet per minute


A

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Is a roof cover board required above insulating concrete or foamed concrete insulation before installing the roof membrane?

What will be an ideal response?

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In the top and bottom of the acetylene cylinder are safety plugs designed to melt at _____ degrees Fahrenheit.

a. 220 b. 260 c. 300 d. 330

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Diameter at breast height (dbh) is the thickness across the tree at 10 feet above the average ground level

Indicate whether the statement is true or false

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?The wall thickness for tubing is measured in ____________.

A. ?thickness in inches B. ?inches or U.S. standard sheet metal gauge C. ?pressure range D. ?thickness in millimeters

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