EPA 608 609 Refrigerant Properties and Identification 2

Question 1

What is the ASHRAE/ARI standard cylinder color for R-410A refrigerant?

Accepted Answer

Rose (pink)

Answer

Green

Answer

Orange

Answer

Yellow

Question 2

Which refrigerant is classified as an HCFC (hydrochlorofluorocarbon)?

Accepted Answer

R-22

Answer

R-12

Answer

R-410A

Answer

R-134a

Question 3

What does a refrigerant's 'critical temperature' refer to?

Accepted Answer

The temperature above which it cannot be liquefied regardless of pressure

Answer

The temperature at which it becomes flammable

Answer

The lowest temperature achievable in the refrigeration cycle

Answer

The boiling point at atmospheric pressure

Question 4

Which of the following refrigerants has the highest ozone depletion potential (ODP)?

Accepted Answer

R-12

Answer

R-22

Answer

R-134a

Answer

R-410A

Question 5

What ASHRAE/ARI color code identifies R-404A refrigerant cylinders?

Accepted Answer

Orange

Answer

Green

Answer

Rose (pink)

Answer

Light blue

Question 6

Which ASHRAE refrigerant numbering series designates inorganic compounds such as ammonia and CO2?

Accepted Answer

700 series

Answer

100 series

Answer

400 series

Answer

600 series

Question 7

What is the approximate normal boiling point of R-134a at atmospheric pressure?

Accepted Answer

-15°F (-26°C)

Answer

-41°F (-41°C)

Answer

5°F (-15°C)

Answer

-62°F (-52°C)