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Author Question: CO2 is an inert gas. Indicate whether the statement is true or ... (Read 59 times)

kfurse

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on: Jul 26, 2018
CO2 is an inert gas.
 
  Indicate whether the statement is true or false

Question 2

Why are the 90 percent condensing furnaces unique?
 
  A) The flue-gas affects the venting material at a greater than normal rate.
  B) The venting of this type of furnace is made of PVC and is easy to seal airtight.
  C) The flue-gas is excessively hot and can cause fires if improperly used.
  D) The venting material is rare, as it is no longer manufactured due to defects.


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bd5255

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

FALSE

Answer to Question 2

B


kfurse

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Reply 2 on: Jul 26, 2018
Gracias!

jackie

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Reply 3 on: Yesterday
Excellent

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