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Author Question: How is a concentric vent used in a high-efficiency furnace? A) It creates two close exit points ... (Read 27 times)

drink

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on: Jul 24, 2018
How is a concentric vent used in a high-efficiency furnace?
 
  A) It creates two close exit points for the vent pipe and combustion air pipe.
  B) It allows a single outdoor exit point for the vent and combustion air pipe.
  C) It allows the vent pipe to combine with condensate drainage.
  D) It directs the combustion air pipe to an outdoor exit.

Question 2

Which of these technologies is NOT used in 80 percent furnaces?
 
  A) Adding induced draft combustion blowers B) Flattening and serpentining heat exchangers
  C) Adding a condensing recuperative coil D) Removing standing pilot lights


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fdliggud

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

B

Answer to Question 2

C


drink

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


fdliggud

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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