Hvac easy
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
A single chlorine atom can destroy how many ozone molecules?
100,000
Which of the following refrigerants is an HFO?
R-1234ze
Which of the following refrigerant has a GWP closest to "1"?
R-1233zd
To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines;
Reclaiming
HFCs
will not damage stratospheric ozone, but have a high GWP.
Reusable refrigerant containers under high-pressure must be hydrostatically tested how often?
5 years
The compressor changes ___ pressure ___ to ___ pressure ___ ____________________________________
changes a low-pressure vapor to a high-pressure vapor.
The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for:
leak testing.
Which ASHRAE classification means slightly flammable?
A2L
What is the Significant New Alternatives Policy (SNAP) Program?
EPA's program that identifies refrigerants with lower overall risks to human health and the environment.
Which type of refrigerant contains no chlorine?
HFCs
Before shipping any used refrigerant cylinders, check that the cylinder meets what standards:
Department of Transportation
Crop loss, eye disease, and skin cancer have been attributed to the depletion of this layer
Depletion of Stratospheric ozone
HCFCs contain;
Hydrogen, Chlorine, Fluorine, and Carbon
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
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants?
HFOs
The chlorine in CFCs and HCFCs;
will not dissolve in water.
An ozone molecule contains this many of these atoms;
Three oxygen atoms
Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride?
Montreal Protocol
The molecule found in CFCs and HCFCs that depletes ozone is:
Chlorine
The condenser changes _____pressure _______ to _____ pressure _______
changes a high-pressure vapor to a high-pressure liquid.
Which of the following has the highest Ozone Depletion Potential?
CFCs
Recover any remaining refrigerant and then rendering the cylinder useless, then recycling the metal is the proper disposal method for what type of cylinders
Disposable cylinders
A refrigerant cylinder designed to hold recovered refrigerant has a this color body and this color top
grey body and yellow top.