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Author Question: What do modern hydronic systems use to circulate the hot water? A) Gravity B) Pumps C) Fans D) ... (Read 61 times)

evelyn o bentley

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on: Jul 24, 2018
What do modern hydronic systems use to circulate the hot water?
 
  A) Gravity B) Pumps C) Fans D) Convection

Question 2

Two common methods for measuring airflow in residential systems are:
 
  A) Electronic flow hoods. B) Fan tip speed and a fan curve plot.
  C) Temperature rise or static pressure drop. D) Velocity pressure transducers.


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reelove4eva

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

B

Answer to Question 2

C


evelyn o bentley

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Reply #2 on: Jul 24, 2018
Thanks


reelove4eva

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Reply #3 on: Jul 24, 2018
Welcome :)


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