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HVAC
BPI AC & Heat Pump Professional
Airflow Measurement
Knowledge Check
Airflow Measurement
Knowledge Check
Knowledge Check
1 / 15
To calculate CFM from an anemometer velocity reading at a supply register, the technician also needs:
A
The return air static pressure
B
The filter MERV rating
C
The blower motor horsepower rating
D
The net free area of the register opening in square feet
Check Answer
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