Unit 37 Review Questions
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The pressure in a duct system are measured in which units?
C - Inches of water column (IWC)
An example of a natural-draft system is
A - hot water baseboard heating
Air that enters a structure from leaks around windows and doors is best described as
C - infiltration air
All of the following are desirable characteristics of a forced-air system except
D - equipment cycling is noticeable by the occupants of the structure
