EPA 608 609 - EPA Refrigerant Handling Certification EPA 609 Practice Test 1

Question 1

Under EPA Section 609, which of the following actions is explicitly prohibited when servicing automotive air conditioning systems?

Accepted Answer

Venting refrigerant directly into the atmosphere

Answer

Using a refrigerant identifier before beginning service

Answer

Recovering refrigerant into an approved container

Answer

Checking system pressure with a manifold gauge set

Question 2

Which refrigerant was commonly used in automotive A/C systems manufactured before 1994 and is now tightly regulated due to its ozone-depleting potential?

Accepted Answer

R-12

Answer

R-134a

Answer

R-1234yf

Answer

R-22

Question 3

What is the minimum equipment requirement for a technician performing refrigerant recovery on a motor vehicle A/C system under Section 609?

Accepted Answer

A certified recovery machine that meets SAE J2788 or J2810 standards

Answer

Any portable vacuum pump with a refrigerant storage tank

Answer

A standard manifold gauge set with a recovery bag

Answer

A nitrogen purge kit approved by the refrigerant manufacturer

Question 4

When recovering R-1234yf from a motor vehicle A/C system, technicians must use equipment that is:

Accepted Answer

Dedicated to R-1234yf and not cross-contaminated with other refrigerants

Answer

Compatible with R-134a recovery machines without modification

Answer

Rated only for high-pressure refrigerants above 500 psi

Answer

Approved for use with both HFC and CFC refrigerants interchangeably

Question 5

Under EPA Section 609, which entity is responsible for ensuring that technicians who purchase refrigerant in containers larger than 2 pounds are properly certified?

Accepted Answer

The refrigerant wholesaler or retailer selling the refrigerant

Answer

The vehicle manufacturer

Answer

The local HVAC licensing board

Answer

The technician's employer or shop owner

Question 6

Which of the following best describes the Global Warming Potential (GWP) comparison between R-134a and R-1234yf?

Accepted Answer

R-134a has a GWP of about 1,430, while R-1234yf has a GWP of about 4

Answer

R-134a has a GWP of about 4, while R-1234yf has a GWP of about 1,430

Answer

Both refrigerants have an identical GWP of approximately 150

Answer

R-1234yf has a higher GWP than R-134a, which is why it is being phased out