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Author Question: Which of the following materials has an the highest R value per inch of thickness? A) Rigid foam ... (Read 37 times)

Chelseaamend

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on: Jul 24, 2018
Which of the following materials has an the highest R value per inch of thickness?
 
  A) Rigid foam board B) Spray-on cellulose fiber
  C) Loose-fill fiberglass D) Batt and blanket rock wool

Question 2

When would a fire damper be used?
 
  A) Anywhere rooftop air conditioners are installed
  B) Anytime supply or return ducts must pass through a firewall
  C) If a building is deemed green
  D) In a partition


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bimper21

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

A

Answer to Question 2

B


Chelseaamend

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Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

bblaney

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Reply 3 on: Yesterday
Excellent

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