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Author Question: If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the ... (Read 23 times)

MGLQZ

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on: Jul 24, 2018
If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the openings measure?
 
  A) 3 sq in B) 2 sq in C) 4 sq in D) 1 sq in

Question 2

A ________ duct system uses several large ducts leaving the main plenum that branch off into smaller ducts as they get closer to their destination.
 
  A) closed loop system B) central plenum system
  C) reducing radial duct system D) perimeter loop system


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TheNamesImani

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

D

Answer to Question 2

C


MGLQZ

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Reply 2 on: Jul 24, 2018
Excellent

parker125

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

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