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EPA Core Practice Ex
| Question | Answer |
|---|---|
| An ozone molecule contains? | Three oxygen atoms |
| The chlorine in CFCs and HCFCs | Will not dissolve in water |
| Silicone,elastomers, for use in seals and gaskets, are not compatible with which refrigerants? | HFOs |
| Which of the following refrigerant has a GWP closest to 1 | R-134a |
| Which is the Significant New Alternatives Policy (Snap) Program? | EPAs program that identifies refrigerants with lower overall risks to human health and the environment. |
| Which type of refrigerant contains no chlorine? | HFCs |
| Reusable refrigerant containers under high pressure must be hydrostatically tested how often? | 5 years |
| Crop loss, eye disease, and skin cancer have been attributed to | Depletion of Stratospheric ozone |
| A refrigerant cylinder designed to hold recovered refrigerant has a | Grey body and yellow top |
| Clean refrigerant for reuse by separating the oil from the refrigerant and removing moisture from the refrigerant by passing it through one or more filter driers, is the definition of | Recycle |
| Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for | Disposable cylinders |
| The low side test pressure data plate value should be used by a technician to determine a safe pressure for | Leak testing |
| HFCs | Will not damage stratospheric ozone, but have a high GWP |
| An ozone molecule contains | Three oxygen atoms |
| The condenser | Changes a high pressure vapor to a high pressure liquid |
| Before shipping any used refrigerant cylinders, check that the cylinder meets what standards | Department of transportation |
| Which ASHRAE classification means slightly flammable | A2L |
| Which of the following refrigerants is an HFO? | R-1234ze |
| A single chlorine atom can destroy how many ozone molecules | 100,000 |
| HCFCs contain | Hydrogen,Chlorine,Fluorine,and Carbon |
| To process refrigerant to a level equal to new(virgin) product specifications as determined by chemical analysis defines | Reclaiming |
| Reusable refrigerant containers under high pressure must be hydrostatically tested how often | 5 years |
| Which of the following has the highest Ozone Depletion Potential | CFCs |
| Which of the following refrigerant has GWP closest to 1 | R-1233zd |
| Which international agreement (Treaty) regulated the production and use of CFCs,HCFCs, halons, methyl chloroform and carbon tetrachloride | Montreal Protocol |
| How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the clean air act | 44,539 |
| The molecule found in CFCs and HCFCs that depletes ozone is | Chlorine |
| Which type of refrigerant contains no chlorine | HFCs |
| The compressor | Changes a low pressure vapor to a high pressure vapor |