Ozone-friendly refrigerants differ from ozone-damaging refrigerants in what way?

PrincessWas

试卷: LEED GA模拟题F[查看]
Ozone-friendly refrigerants differ from ozone-damaging refrigerants in what way?


A: Ozone-friendly refrigerants may cause less global warming
B: Ozone-friendly refrigerants are more energy efficient
C: Ozone-friendly refrigerants may cause more global warming
D: Ozone-friendly refrigerants are global warming neutral

参考答案: C

本题解释:
According to the reference: \'some refrigerants cause more ozone depletion than others, but the most ozone-friendly refrigerants cause more global warming.\'

HFCs, while generally better for the environment in regards to ozone depletion potential, are less efficient than HCFCs. Because they are less efficient a building that uses HFC refrigerants must spend more energy to keep the building as cool compared to using HCFC refrigerants. Using more energy to cool the building uses more fossil fuels to run the HVAC equipment and generates more pollution, thereby increasing the greenhouse effect and global warming.