EPA 608 Practice Test Core Question Answers 2021 [Online Free]

A refrigerant cylinder designed to hold recovered refrigerant has a:

Only _____ refrigerant can be transferred or sold to another individual

One chlorine atom in stratosphere can able to destroy approximately _______ number of ozone molecules:

The condenser ____________

It is to be ensured that the refrigerant recovery cylinder is not filled to more than _____ of its capacity

Which of the following has the highest Ozone Depletion Potential?

Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for;

A vacuum test could actually hide a leak:

The chlorine in CFCs and HCFCs;

Recovered refrigerant is stored in which of the following painted tank:

Before shipping any used refrigerant cylinders, check that the cylinder meets what standards:

A recovery cylinder can maximum store _____ number of refrigerants:

Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants?

Which of the following substance present in refrigerant appliance results in corrosion:

To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines;

The molecule found in CFCs and HCFCs that depletes ozone is:

Which of the following refrigerants is an HFO?

After recovering refrigerant from a sealed system, which of the following gas is used to pressurize (for leak checking) or blow debris out of the system:

Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride?

The ____connects the evaporator to the compressor in a refrigerant system:

An ozone molecule contains;

The compressor ____

HCFCs contain;

Which ASHRAE classification means slightly flammable?

The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for:

What is the Significant New Alternatives Policy (SNAP) Program?

Crop loss, eye disease, and skin cancer have been attributed to;

At which of the following stage in refrigeration cycle does the refrigerant changes from high-pressure vapor to a high-pressure liquid:

HFCs ________;

During each vacuum decay test, it is observed that after creating the vacuum, the pressure of the system increases to greater than 0 psig and stops at some point, Then:

If your recovery unit does not have a sub-cooling feature recovery rate will be _____ :

Which of the following is used to minimize the leakage of refrigerant while checking the pressure of the system:

Stratosphere layer consists of ____ of the available Ozone on the earth’s atmosphere:

_____ breaks down the CFCs and frees the chlorine ion at stratosphere:

This suction line filter drier should be located just upstream of the _____ inlet:

The center port of the service manifold is usually have ______ hose:

The color of the pressure port of the manifold pressure gauge that is connected to the low pressure side of the  system:

Reusable containers for refrigerants shall be tested for hydrostatically tested and date stamped for every _____ :