If CFC-based refrigerants are maintained in the building, annual leakage rate mu

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试卷: LEED v4 OM模拟题C卷英文[查看]
If CFC-based refrigerants are maintained in the building, annual leakage rate must be reduced to ____ or less and the total lifetime leakage rate reduced to ____ or less of the refrigerant charge.
如果建筑内使用的是基于CFC的制冷剂，则必须将年泄漏率降至____或更低，并将装置剩余使用寿命的总泄漏量降低至不足制冷剂容量的____或更低。
A: 5%, 10%
B: 5%, 30%
C: 1%, 10%
D: 1%, 5%

参考答案: B

本题解释:
选择B，本题解释A 5% or less annual leakage rate is allosed.
A 30% or less total lifetime leakage rate is allowed.