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Author Question: Fabric duct and fittings are typically attached to each other using _____. a. tapes that meet UL ... (Read 193 times)

Engineer

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Fabric duct and fittings are typically attached to each other using _____.
 
  a. tapes that meet UL standards
  b. zippers
  c. snaps
  d. Velcro

Question 2

The unit of measurement for the porosity of fabric duct is _____.
 
  a. cfm/ft2 of surface area
  b. cfh/ft2 of surface area
  c. cfm/lineal foot of duct material
  d. cfh/lineal foot of duct material



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iman

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Answer to Question 1

b

Answer to Question 2

a





 

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