Asked by
Kayla Petry
on Dec 07, 2024Verified
Technician A says that when a mineral oil installed into a R-134a system it will not dissolve into the refrigerant and can clog up circulation.Technician B says that all R-12 systems use mineral oils.Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B
Mineral Oil
A liquid by-product of refining crude oil, used as a base ingredient in some lubricants, cosmetics, and industrial chemicals.
R-134a System
R-134a system refers to a refrigeration and air conditioning system that uses R-134a, a hydrofluorocarbon refrigerant, known for its low environmental impact compared to earlier refrigerants.
Circulation
The movement or flow of fluids (such as blood, air, or water) or gases in a loop or system, often referring to the movement within a closed system.
- Understand the properties of different refrigerants and the implications of using incorrect types.
- Identify the operational characteristics and requirements of refrigerant types R-12 and R-134a.
Verified Answer
MM
Learning Objectives
- Understand the properties of different refrigerants and the implications of using incorrect types.
- Identify the operational characteristics and requirements of refrigerant types R-12 and R-134a.