A

5,100ft^(3)

air stream exits a heating unit at

80\\\\deg F

and

60%RH

and then mixes with

28,000ft^(3)

of air at

70\\\\deg F

and

40%RH

provided to the building from another source. What is the combined relative humidity of the air in the building? Note: there is no exhaust in this problem. The total air quantity will be

28,000ft^(3)+5,100ft^(3)

A 5,100 ft3 air stream exits a heating unit at 80F and 60%RH and then mixes with 28,000ft3 of air at 70F and 40%RH provided to the building from another source. What is the combined relative humidity of the air in the building? Note: there is no exhaust in this problem. The total air quantity will be 28,000ft3+5,100ft3