EPA Practice Test – Core #1

The stability of the ozone is depleted by the presence of which of the following organic refrigerant compounds?

What connects the condenser to the metering device?

To meet the requirements of ARI-740, recovery and recycling equipment intended for use must be manufactured after what date?

What is the reason two refrigerants are not allowed to be collected into one recovery cylinder?

What is the color of the pressure port of the manifold pressure gauge that is connected to the low-pressure side of the system?

CFCs are broken down and freed of chlorine ions at the stratosphere by which of the following properties?

When the vacuum pump being used is too large, water removal from the system will…

The push-pull recovery method of refrigeration is used with…

What is the typical psi of a low-pressure pressure relief valve?

CFC-11 and CFC-12 ozone depleted substances account for what percentage of stratosphere chlorine?

According to the EPA requirements, systems that contain up to _____  pounds or more of refrigerant, and have a “substantial leak”, and must be repaired within 30 days.

The suction line in a refrigeration system consists of which of the following?

Flushing agents should not be introduced into a refrigeration system through which of the following?

What kind of refrigerant can be transferred to a new owner?

When a refrigerant tank is missing its identifying label, what method(s) is/are used to identify the refrigerant?

While checking the pressure of the system, which of the following is used to maximize the leakage of the refrigerant?

Just upstream of the _______ inlet, there should be a suction line filter drier installed.

The diameter of the liquid line must be as large as possible to minimize the total refrigerant pressure drop.

What type of leak detector works by drawing the vapor into the system and heating it?

If the recovered refrigerants are clean, they can be returned to the same system or other systems owned by the same person without restriction.

At the stratosphere, Ozone is a stable molecule.

Refrigeration technicians in violation of the Clean Air Act are subject to which of the following:

After evacuation of refrigerants, what should the pressure of nitrogen be when introduced into the evacuation system?

The process of reclamation and recycling of refrigerants are the same.

CFCs are highly reactive in lower levels of the atmosphere.