Section 609 ASE refrigerant recycling quiz thingy

The recovery process on an R-12 or R134a A/C system should continue until a stable vacuum is held by the system for:

2 Minutes

A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature.Technician A says that the refrigerant container should be placed in a cooler storage area before use.Technician B says that the vapor in the container should be slowly vented into a refrigerant handling unit.Who is right?

B only

The ozone layer filters out most of the sun's harmful:

Ultraviolet radiation

The reduction of ozone in the stratosphere could cause:

an increase in skin cancer and eye cataracts.

Technician A says that sunlight striking CFC molecules can cause chlorine to be released.Technician B says that chlorine atoms react with ozone to produce chlorine monoxide.Who is right?

Both A and B

R-134a refrigerant must be reclaimed to meet which of these purity standards?

J2099

If the required charge level of refrigerant for the MVAC system is 40 ounces, which of these is the correct charge level measured in pounds?

2.50Lb (1.13kg)

Technician A says that recovery/recycling/recharging equipment for R-1234yf refrigerant requires integration with a refrigerant identifier.Technician B says that recovery/recycling/recharging equipment for R-1234yf refrigerant uses a 17mm O.D. quick coupler on the low-side service hose.Who is right?

A only

Which of these identifies a cylinder of R-1234yf refrigerant?

White with red band

A container of recycled R-134a refrigerant that is being tested for non-condensable gases (air) should be:

Stored out of direct sunlight

The EPA allows the use of R-134a recovery-only equipment provided that the

equipment meets J2810 standards

Technician A says that it is OK to use a disposable refrigerant tank to store recycled refrigerant.Technician B says that it is OK to fill an approved refrigerant tank to 70% of its gross weight rating.Who is right?

Neither A or B

Before a container of stored recycled refrigerant is used, the container must be checked for:

non-condensable gases

Recovery equipment for R-134a refrigerant must meet standards set by

SAE

Alternative refrigerants use a unique set of service fittings that

prevent accidental mixing of refrigerants

Technician A says that R-744 refrigerant is accepted by the EPA as an alternative for retrofit.Technician B says that R-134a refrigerant is accepted by the EPA as an alternative for retrofit.Who is right?

B only

SAE standard J2099 specifies that the maximum level of non-condensable gases in recycled R-134a should not exceed

1.5% by volume

When service equipment hoses with manual shutoff valves are not connected to an A/C system, the valves should be in the

Closed position

MVAC refrigerant R-1234yf has a

pressure/temperature relationship like R-134a

A technician who successfully completes the training and certification in the EPA-approved Section 609 program can legally service MVAC systems that use any of these refrigerants EXCEPT

R-22

Electronic leak detectors for R-1234yf should meet

J2913

Technicians servicing an MVAC system should do any of these EXCEPT

Store refrigerant in a disposable container

Requirements for recovery/recycling/recharging equipment for R-1234yf refrigerant are set by SAE standard

J2843

R-1234yf refrigerant has a global warming potential (GWP) of

4

R-1234yf is a preferred refrigerant over R-134a because

It has a low GWP

Technician A says that SAE standard J639 spells out details for a system design, implementation, and serviceTechnician B says that SAE standard J639 specifies refrigerant fitting types and sizes for each refrigerant.Who is right?

Both A and B

Servicing MVAC systems on hybrid and electric vehicles requires

Special service procedures to disable the high-voltage system prior to service

To purchase R-1234yf refrigerant for MVAC service, a person must:

Have a valid EPA-approved Section 609 credential.

Which of the following refrigerants is listede as unacceptable under SNAP for all newly manufactured vehicles as of the 2026 model year

HFC-134a (R-134a)

Empty disposable R-134a refrigerant containers should be

evacuated into a recovery/recycling machine