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Author Question: The duct that has the lowest resistance to airflow is _____. a. fiberglass ductboard b. metal ... (Read 37 times)

hubes95

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on: Jul 24, 2018
The duct that has the lowest resistance to airflow is _____.
 
  a. fiberglass ductboard
  b. metal duct with duct liner
  c. metal duct with exterior duct wrap
  d. flexible duct

Question 2

The plastic or foil sleeve on the outside of a branch duct in a crawl space serves as _____.
 
  a. thermal insulation
  b. a vapor barrier
  c. a noise suppressor
  d. a fire retardant


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ms_sulzle

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Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

b


hubes95

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Reply 2 on: Jul 24, 2018
:D TYSM

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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