EPA 608 609 Refrigerant Cylinder Safety and Storage 2

Question 1

Under DOT regulations, in what position must refrigerant cylinders be transported?

Accepted Answer

Upright with valve end up

Answer

DOT requires refrigerant cylinders to be transported upright with the valve end up to prevent liquid refrigerant from contacting the valve assembly.

Question 2

What is the maximum temperature at which refrigerant cylinders should be stored?

Accepted Answer

125°F

Answer

Refrigerant cylinders must not be stored in areas exceeding 125°F (51.7°C) because heat increases internal pressure and risks rupture.

Question 3

Which federal agency regulates the transportation of refrigerant cylinders on public roads?

Accepted Answer

DOT

Answer

The Department of Transportation (DOT) regulates the packaging, labeling, and transport of hazardous materials including refrigerant cylinders.

Question 4

What must be done to a refrigerant cylinder before returning it to a supplier?

Accepted Answer

Close the valve and install the protective cap

Answer

Before returning cylinders, technicians must close the valve and install the valve protection cap to prevent damage during handling and transport.

Question 5

What is the primary function of a fusible plug on a refrigerant cylinder?

Accepted Answer

Release pressure if temperature becomes dangerously high

Answer

Fusible plugs are designed to melt at elevated temperatures, venting the cylinder before pressure can build to the point of rupture.

EPA 608 609 Practice Test