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sherryzzzzz sherryzzzzz
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6 years ago
Commercial central heating and cooling systems refer to:
 
  A) Retail shopping malls only. B) Single-story office buildings only.
  C) Single- to three-story office buildings only. D) Structures used for businesses in general.

 Q. 2

The formula for calculating the CFM needed to produce an air change is
 
  A) CFM = (floor area  ceiling height) / 8 B) CFM = (floor area  ceiling height) / 60
  C) CFM = floor area  ceiling height D) CFM = (floor area  ceiling height) / 12

 Q. 3

How many air changes can a fan moving 200 CFM provide for a room with 1000 square feet of floor space and 10 foot ceilings?
 
  A) 20 air changes B) 12 air changes C) 5 air changes D) 1 air change
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DuhitzlitzyDuhitzlitzy
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6 years ago
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sherryzzzzz Author
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#2
6 years ago
The fact that I can't marry you for this saddens me.
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#3
6 years ago
Let's keep this professional  Monkey
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