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A2L Quiz Review questions with answers

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A2L Quiz Review questions with answers

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2026/2027

Institution A2L

Course A2L

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A2L Quiz Review questions with answers

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A2L Quiz Review questions with|\ |\ |\ |\ |\

answers

Which R - 32 of the following refrigerants is exempt from
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

the EPS's recovery mandate - CORRECT ANSWERS ✔✔R -
|\ |\ |\ |\ |\ |\ |\ |\ |\

290

Which one of the following refrigerants is classified as an
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

A3 refrigerant - CORRECT ANSWERS ✔✔R - 290
|\ |\ |\ |\ |\ |\ |\

Atmospheric pressure OPSIG ) is equal to approximately - |\ |\ |\ |\ |\ |\ |\ |\ |\

CORRECT ANSWERS ✔✔760,000 microns designation |\ |\ |\ |\

An uppercase letter designation ( R - 407A , R- 407B , R -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

407C ) is used when refrigerant blends are : - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

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 - CORRECT ANSWERS ✔✔R
|\ |\ |\ |\ |\ |\ |\ |\ |\

- 290
|\ |\

, When working with A2L refrigerants , which one of the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

following is NOT an approved leak detection method ? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\

CORRECT ANSWERS ✔✔Halide leak detector . |\ |\ |\ |\ |\

Refrigerants that have a lowercase designation , such as |\ |\ |\ |\ |\ |\ |\ |\ |\

R - 134a , indicates a ( n ) : - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\

✔✔Isomer blend |\

Which of the following refrigerants is exempt from the
|\ |\ |\ |\ |\ |\ |\ |\ |\

EPA's recovery mandate? - CORRECT ANSWERS ✔✔R-
|\ |\ |\ |\ |\ |\

1234yf
R-1234ze(E)
R-32

Hydrogen fluoride can form when - CORRECT 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 - CORRECT ANSWERS ✔✔An EPA approved liquid
|\ |\ |\ |\ |\ |\ |\ |\ |\

refrigerant receiver marked with a red strip |\ |\ |\ |\ |\ |\

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Uploaded on: September 21, 2026
Number of pages: 5
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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