Which of the following represents the static pressure, for each area listed, that is MOST likely to be found in a typical HVAC system?
Supply Return Outside Air
Ductwork Ductwork Intake
A. Negative Positive Negative
B. Positive Positive Negative
C. Positive Negative Positive
D. Positive Negative Negative
Which of the following represents the static pressure, for each area listed, that is MOST likely to be found in a typica
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