Air pressure in cfm can be calculated by multiplying the air velocity by the cross-sectional area of the duct in square feet
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Q2: Static pressure plus velocity pressure equals total
Q3: The supply duct system can be configured
Q4: Fresh air enters the structure by _.
Q5: _ in the duct slows the air
Q6: Motor drives can be _ or _
Q7: Forced air systems are made up of
Q8: Pressure in the ductwork is measured in
Q9: Forced air systems deliver the correct quantity
Q10: Duct systems can be made of galvanized
Q11: Forced air systems use different air every
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