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Author Question: What type of vent is used with 90 percent Category IV furnaces? A) Single-wall stainless steel ... (Read 51 times)

kshipps

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on: Jul 24, 2018
What type of vent is used with 90 percent Category IV furnaces?
 
  A) Single-wall stainless steel
  B) Type B double-wall gas vent
  C) 90 percent efficiency furnaces do not require a vent.
  D) PVC

Question 2

Where is the refrigerant piping run from a rack system to the individual refrigerated cases?
 
  A) Through an exterior wall
  B) In trenches under the floor
  C) Refrigerant piping is not necessary because rack systems are self-contained.
  D) On top of the floor under a protective metal cover


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Ddddd

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

D

Answer to Question 2

B


kshipps

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

cassie_ragen

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Reply 3 on: Yesterday
Wow, this really help

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