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Author Question: The chemical components of HCFC refrigerants are: A) Helium, carbon, frankincense, and Clorox. B) ... (Read 110 times)

karateprodigy

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on: Jul 24, 2018
The chemical components of HCFC refrigerants are:
 
  A) Helium, carbon, frankincense, and Clorox. B) Hydrogen, chlorine, Freon, and chromium.
  C) Hydrogen, chlorine, fluorine, and carbon. D) Helium, carbon, Freon, and chlorine.

Question 2

Why do some commercial buildings need air conditioning in the winter?
 
  A) Commercial buildings often have large internal heat loads from people, lights, and machines.
  B) The complexity of control systems for commercial buildings often causes a system to cool a building even when cooling is not needed.
  C) Commercial buildings are maintained at lower temperatures to improve productivity.
  D) Lower temperatures reduce the spread of bacteria.


iceage

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

C

Answer to Question 2

A


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karateprodigy

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Reply #2 on: Jul 24, 2018
Thanks


iceage

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


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