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Author Question: Which of the following materials has the highest R value per inch of thickness? A) Rigid foam ... (Read 47 times)

saraeharris

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on: Jul 26, 2018
Which of the following materials has the highest R value per inch of thickness?
 
  A) Rigid foam board B) Expanded polystyrene board
  C) Loose-fill fiberglass D) Batt and blanket rock wool

Question 2

To avoid falling, when working above a sheetrock ceiling technicians should
 
  A) Walk slowly whenever it is necessary to walk directly on the sheetrock
  B) Walk quickly whenever it is necessary to walk directly on the sheetrock
  C) Step only on the sheetrock between the ceiling joists
  D) Step only on the ceiling joist


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debra928

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

A

Answer to Question 2

D


saraeharris

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Reply #2 on: Jul 26, 2018
Both answers were spot on, thank you once again


debra928

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Reply #3 on: Jul 26, 2018
Great! Please up vote :D


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