Question: =+4-27. A filter system is available that will filter out 80 percent of the tobacco smoke present in the air stream. Assume that the outdoor-like

=+4-27. A filter system is available that will filter out 80 percent of the tobacco smoke present in the air stream. Assume that the outdoor-like (fresh) air rate supplied to a smoking room must be 25 cfm and that 15 efm of actual outdoor air must be utilized. With that information, compute the recirculation rate and the rate at which supply air is furnished to the space.

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