Which of the following have helped reduce stratospheric ozone depletion?(choose

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试卷: LEED GA模拟题F[查看]
Which of the following have helped reduce stratospheric ozone depletion?(choose 2)


A: Not using CFC-based refrigerants in new equipment
B: Installing halon-based fire suppression systems
C: Replacing HFC-based refrigerants with HCFC-based refrigerants in existing equipment
D: Implementing a phase-out of CFC-based refrigerants in existing equipment

参考答案: AD

本题解释:
A:For new buildings LEED requires zero use of CFC-based refrigerants in new base building HVAC systems.
B:Halons are an ozone depleting substance, just like CFCs and HCFCs. In LEED enhanced refrigerant management requires not using halons in fire suppression systems.
C: HCFCs are scheduled to be phased out under the Montreal Protocol by 2030. Projects should try to replace HCFCs with HFCs, not the other way round.
D:For renovations of existing buildings, implementing a phase-out of CFC-based refrigerants in existing equipment is a way to reduce ozone depletion