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Author Question: Why is it important for the roof curb to be square with the roof joists or rafters? What will be ... (Read 111 times)

Bernana

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on: Jul 26, 2018
Why is it important for the roof curb to be square with the roof joists or rafters?
 
  What will be an ideal response?

Question 2

List the four parts of the EPA Certification exam.
 
  What will be an ideal response?


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tuate

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

The roof curb has to square to the rafters or joists so when the plenums are slid into their proper place there won't be a conflict.

Answer to Question 2

Core
Type I  small appliances

Type II  high pressure and very high pressure appliances
Type III  low pressure appliances


Bernana

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Reply 2 on: Jul 26, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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