Geography, 10.10.2019 18:10 milemike243
1, room air (ra) is at 75 fdb (dry bulb) and 50% relative humidity. the psychrometric slope (ehr) for the room load is 5000 btu/lbm. the total load on the room is 20 usrt. the supply air (sa) is at 55 fdb. mark the ra and sa states on the psychrometric chart with a point in a circle o and the identifying initials "ra" or "sa", and find: (a) the mass flow of the sa (b) the sa dry bulb temperature using steam table data, calculate the ra humidity ratio w = using ideal gas formula, calculate the ra enthalpy- lbm/hr fdb additional calculations:
Answers: 2
Geography, 22.06.2019 06:40
Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.
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1, room air (ra) is at 75 fdb (dry bulb) and 50% relative humidity. the psychrometric slope (ehr) fo...
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