Each naturally ventilated space in a project will need to include a mechanical v

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试卷: LEED v4 ID+C模拟题A卷英文[查看]
Each naturally ventilated space in a project will need to include a mechanical ventilation system as a backup when:
A: The natural ventilation openings are permanently open.
B: The naturally ventilated zone is not served by heating or cooling equipment.
C: The system is an engineered natural ventilation system approved by the authority with jurisdiction.
D: The natural ventilation openings include controls that allow for closing during occupied hours.

参考答案: D

本题解释:
Notes D: A major update in the 2010 standard is that all spaces with natural ventilation must have mechanical ventilation backup unless one of the exceptions applies.
For this choice the exception is that during occupied hours, the controls prevent the opening from closing.
See Further Explanation, Natural Ventilation Exceptions