Which of the following refrigerants damages stratospheric ozone. UNK the.
Refrigerants To The Rescue Plugging The Ozone Hole Nist
R-1234yf 5 Why are some hydrofluoroolefin HFO refrigerants classified as A.
. In the first step solar ultraviolet radiation breaks apart one oxygen molecule O 2 to produce two oxygen atoms 2 O see Figure Q1-3. Had first one their its new after but who not they have. Stratospheric Ozone Depletion In the late 1970s the scientific community presented strong evidence of strato- spheric ozone reacting with halogena ted compounds found in refrigerants.
Use Enter Space to view and traverse through the list of languages. Other refrigerants may also cause harm to the environment if released to the atmosphere. Which of the following refrigerants is an HFO.
Provide supplies for service after the refrigerant has been phased out. Or mileage expense for service calls to remote areas including the state of Alaska. We would like to show you a description here but the site wont allow us.
Of and in a to was is for as on by he with s that at from his it an were are which this also be has or. CFCs and HCFCs are believed to harm stratospheric ozone if released to the atmosphere. Avoid violating the warranty on equipment.
The Core contains 25 general knowledge questions relating to stratospheric ozone depletion rules and regulations of the Clean Air Act the Montreal Protocol refrigerant recovery recycling and reclaiming recovery devices substitute refrigerants and oils recovery techniques dehydration recovery cylinders safety and shipping. Stratospheric ozone is formed naturally by chemical reactions involving solar ultraviolet radiation sunlight and oxygen molecules which make up about 21 of the atmosphere. Which of the following is not a reason to recover refrigerants.
All three are HFOs A. Prevent stratospheric ozone depletion. Damages to the finish of appliance or home incurred during installation.
Prevent venting to the atmosphere. - -- --- ---- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----. They are no different than HFCs.
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