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Author Question: How is Indoor Air Quality (IAQ) defined? A) Air that is free from toxins, irritants, and noxious ... (Read 49 times)

xclash

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on: Jul 24, 2018
How is Indoor Air Quality (IAQ) defined?
 
  A) Air that is free from toxins, irritants, and noxious chemicals
  B) The state of the air contained within an enclosed building
  C) Cleaning the air inside a building to acceptable levels
  D) Air that is within the human comfort range and free of noxious substances

Question 2

Control valves used for water coils are typically:
 
  A) Three-way valves. B) Four-way valves.
  C) Either two-way or three-way valves. D) Two-way valves.


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lkoler

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

B

Answer to Question 2

C


xclash

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Reply 2 on: Jul 24, 2018
Excellent

phuda

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Reply 3 on: Yesterday
Wow, this really help

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