Question
click below
click below
Question
Normal Size Small Size show me how
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 |