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Author Question: The maximum length of the trunk duct in an extended plenum system is _____. a. 12 b. 4' c. 16' ... (Read 73 times)

jeatrice

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on: Jul 24, 2018
The maximum length of the trunk duct in an extended plenum system is _____.
 
  a. 12
  b. 4'
  c. 16'
  d. 24'

Question 2

Which of these conditions can occur when the top of the chimney is lower than a surrounding structure?
 
  a. Downdraft
  b. Obstruction
  c. Whistling noise
  d. Overload of the burner motor


emilymalinowski12

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

d

Answer to Question 2

a


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jeatrice

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Reply #2 on: Jul 24, 2018
Thank you!


emilymalinowski12

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Reply #3 on: Jul 24, 2018
Always glad to help...


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