Title: Identify pressure-temperature relationships of high-pressure and low-pressure refrigerants.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration II (17056-II) > Section: Complying with EPA Laws and Regulations

Identification should include the key differences between refrigerants in industrial and residential equipment.

Process/Skill Questions:

- What system pressures are below atmospheric?
- What refrigerant in the low-pressure system is rated B1?
- What are the differences between low-pressure system pressures and temperatures and high-pressure system pressures and temperatures?