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Author Question: Balancing valves are required A) to create negative pressure. B) to allow adjustable flow. C) on ... (Read 90 times)

pepyto

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Balancing valves are required
 
  A) to create negative pressure. B) to allow adjustable flow.
  C) on single circuit loops. D) on venturi pipe systems.

Question 2

Compared to air heating systems, hydronic heating systems
 
  A) Automatically add humidity as well as heat B) Are normally less expensive to install
  C) Can be more easily used for air conditioning D) Are normally more expensive to install



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cici

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Answer to Question 1

B

Answer to Question 2

D





 

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