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Académie
HVAC
NATE Air Distribution Service Specialty
Duct Leakage Detection
Vérification des connaissances
Duct Leakage Detection
Vérification des connaissances
Vérification des connaissances
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During a pressure pan test with the house depressurized to 50 Pa using a blower door, a sealed supply register reads 8 Pa. What does this indicate?
A
The blower door is depressurizing the house too much for this test
B
The branch duct has no leakage because the pressure reading is below 25 Pa
C
The register was not sealed properly and the reading is invalid
D
The branch duct serving this register has leakage to the outdoors or unconditioned space
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