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Doas

Quiz by Robert Birdwell

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5 questions
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  • Q1
    What does a DOAS unit focus on treating in the air brought into a building?
    Moisture content
    Only latent heat
    Latent and sensible heat
    Only sensible heat
    30s
  • Q2
    What is one way to provide ventilation air indirectly to the space?
    Connecting the DOAS unit to the return air plenum on fan coil units
    Installing a direct duct connection from DOAS unit to space
    Placing supply air grilles on exterior walls
    Using in-room air purifiers
    30s
  • Q3
    What does DOAS stand for?
    Deluxe Outdoor Air Systems
    Ducted Outside Air Systems
    Dedicated Outside Air Systems
    Direct Outdoor Air Systems
    30s
  • Q4
    What are some HVAC systems that work with a DOAS unit?
    Boiler System, Radiant Floor Heating, Heat Exchangers
    Window AC Units, Portable Heaters, Ceiling Fans
    VRF System, Water-Source Heat Pumps, Fan Coils and Chilled Beams
    Dehumidifiers, Humidifiers, Air Purifiers
    30s
  • Q5
    What is the purpose of using 4-pipe fan coils with a DOAS unit?
    Reduce the need for ventilation air
    Separate the latent load from the sensible load
    Improve indoor air quality
    Increase energy consumption
    30s

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