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Académie
HVAC
ACCA Residential HVAC Design Certificate
Building Envelope Analysis
Vérification des connaissances
Building Envelope Analysis
Vérification des connaissances
Vérification des connaissances
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In a blower door test, CFM50 is divided by approximately 20 to estimate natural infiltration. What does CFM50 represent?
A
Maximum fan speed of 50 revolutions per second
B
Airflow through the building envelope at 50 Pascals of depressurization
C
Airflow at 50 degrees F outdoor temperature
D
50% of total duct system leakage
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