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Author Question: What is the airflow in CFM through a 10 inch by 20 inch duct with a total pressure of 0.15 inches wc ... (Read 64 times)

leilurhhh

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on: Jul 26, 2018
What is the airflow in CFM through a 10 inch by 20 inch duct with a total pressure of 0.15 inches wc and a static pressure of 0.1 inches wc?
 
  What will be an ideal response?

Question 2

How does a flowhood measure airflow?
 
  What will be an ideal response?


1_Step_At_ATime

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Reply #1 on: Jul 26, 2018
Answer to Question 1

0.15  0.1 = 0.05 inches wc velocity pressure
4005 x 0.05 = 896 CFM

Answer to Question 2

It measures the velocity though the known area of the flowhood and displays the airflow in CFM.


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