REFRIGERANT RETROFITS UNIT 9 TEST QUESTION AND ANSWERS

Mechanical refrigerant recovery equipment must meet specifications established by the 1993 ARI 740 standard. The correct answer is 'True'. How many chlorine atoms does it take to destroy 100,000 ozone molecules in the stratosphere? The correct answer is: 1 Which of the following is an example of an HCFC refrigerant? The correct answer is: R-22 Which type of refrigerant has the highest Ozone Depletion Potential (ODP)? The correct answer is: CFC The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____. The correct answer is: HFC What effect is ozone depletion having on the environment? The correct answer is: all of the above Refrigerants that are made up of two refrigerants that, when blended in the right proportions, combine to make a third stable refrigerant, are called ____. The correct answer is: azeotropes Which of the following refrigerants is considered an HFC-type of refrigerant? The correct answer is: R-134a A refrigerant reclaimed from a system may be charged back into the system from which it came. The correct answer is 'True'. The abbreviation for refrigerants containing chlorine, fluorine, carbon, and hydrogen is ____. The correct answer is: HCFC The ozone depletion factor of R-12 is ____. The correct answer is: 1.0 Refrigerants that have a low Ozone Depletion Potential (ODP) will, in turn, have a high "Total Equivalent Warming Impact" (TEWI). The correct answer is 'False'.