In an existing building retrofit how much CFC-based refrigerant can be used?

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试卷: LEED v4 OM模拟题A卷英文[查看]
In an existing building retrofit how much CFC-based refrigerant can be used?
在某改建的既有建筑中，可使用多少CFC制冷剂？
A: 2% of the total refrigerants 2%的总制冷剂
B: 5% of the total refrigerants, as long as they are not used in fire suppression systems 5%的总制冷剂，只要不用于灭火系统
C: None 不能使用
D: 5% of the total refrigerants 5%的总的制冷剂

参考答案: C

本题解释:
选择C，本题解释The rating systems have a prerequisite for Fundamental Refrigerant Management which requires zero use of CFCs. CFCs are known to cause ozone depletion.
For buildings with existing systems that use CFC-based refrigerants, the systems must be phased out.
Fundamental Refrigerant Management differs from Enhanced Refrigerant Management which requires either using no refrigerants or using refrigerants that have no Ozone Depletion Potential and Global Warming Potentials of 50 or less