A2L QUIZ REVIEW QUESTIONS
Which R - 32 of the following refrigerants is exempt from the EPS's recovery mandate -
Answers :R - 290
Which one of the following refrigerants is classified as an A3 refrigerant - Answers :R -
290
Atmospheric pressure OPSIG ) is equal to approximately - Answers :760,000 microns
designation
An uppercase letter designation ( R - 407A , R- 407B , R - 407C ) is used when
refrigerant blends are : - Answers :Composed of the same refrigerants , but with
different percentages of each .
Which of the following refrigerants has the lowest global warming potential GWP ) ? 32 -
Answers :R - 290
When working with A2L refrigerants , which one of the following is NOT an approved
leak detection method ? - Answers :Halide leak detector .
Refrigerants that have a lowercase designation , such as R - 134a , indicates a ( n ) : -
Answers :Isomer blend
Which of the following refrigerants is exempt from the EPA's recovery mandate? -
Answers :R-1234yf
R-1234ze(E)
R-32
Hydrogen fluoride can form when - Answers :Any fluorine containing refrigerant,
undergoes, complete or incomplete combustion or thermal decomposition
EPA section 608 regulations require that if a system is charged with a flammable
refrigerant the equipment must have - Answers :An EPA approved liquid refrigerant
receiver marked with a red strip
DOT regulations require refrigerant cylinders over 2.2 pounds of a 2L refrigerant to be
equipped with - Answers :Pressure relief valve
Before beginning the installation of a system that is charged with A2 for refrigerant -
Answers :Verify that all the components being installed are designed for the use with
A2L refrigerants
Upon completion of an A2 L installation - Answers :The manufacturers literature must
be kept on file by the contractor performing the installation
Which R - 32 of the following refrigerants is exempt from the EPS's recovery mandate -
Answers :R - 290
Which one of the following refrigerants is classified as an A3 refrigerant - Answers :R -
290
Atmospheric pressure OPSIG ) is equal to approximately - Answers :760,000 microns
designation
An uppercase letter designation ( R - 407A , R- 407B , R - 407C ) is used when
refrigerant blends are : - Answers :Composed of the same refrigerants , but with
different percentages of each .
Which of the following refrigerants has the lowest global warming potential GWP ) ? 32 -
Answers :R - 290
When working with A2L refrigerants , which one of the following is NOT an approved
leak detection method ? - Answers :Halide leak detector .
Refrigerants that have a lowercase designation , such as R - 134a , indicates a ( n ) : -
Answers :Isomer blend
Which of the following refrigerants is exempt from the EPA's recovery mandate? -
Answers :R-1234yf
R-1234ze(E)
R-32
Hydrogen fluoride can form when - Answers :Any fluorine containing refrigerant,
undergoes, complete or incomplete combustion or thermal decomposition
EPA section 608 regulations require that if a system is charged with a flammable
refrigerant the equipment must have - Answers :An EPA approved liquid refrigerant
receiver marked with a red strip
DOT regulations require refrigerant cylinders over 2.2 pounds of a 2L refrigerant to be
equipped with - Answers :Pressure relief valve
Before beginning the installation of a system that is charged with A2 for refrigerant -
Answers :Verify that all the components being installed are designed for the use with
A2L refrigerants
Upon completion of an A2 L installation - Answers :The manufacturers literature must
be kept on file by the contractor performing the installation
