Doas
Quiz by Robert Birdwell
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5 questions
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- Q1What does a DOAS unit focus on treating in the air brought into a building?Moisture contentOnly latent heatLatent and sensible heatOnly sensible heat30s
- Q2What is one way to provide ventilation air indirectly to the space?Connecting the DOAS unit to the return air plenum on fan coil unitsInstalling a direct duct connection from DOAS unit to spacePlacing supply air grilles on exterior wallsUsing in-room air purifiers30s
- Q3What does DOAS stand for?Deluxe Outdoor Air SystemsDucted Outside Air SystemsDedicated Outside Air SystemsDirect Outdoor Air Systems30s
- Q4What are some HVAC systems that work with a DOAS unit?Boiler System, Radiant Floor Heating, Heat ExchangersWindow AC Units, Portable Heaters, Ceiling FansVRF System, Water-Source Heat Pumps, Fan Coils and Chilled BeamsDehumidifiers, Humidifiers, Air Purifiers30s
- Q5What is the purpose of using 4-pipe fan coils with a DOAS unit?Reduce the need for ventilation airSeparate the latent load from the sensible loadImprove indoor air qualityIncrease energy consumption30s