Alkyl benzene ISO 32 cSt synthetic refrigerant oil is miscible and suitable to use with which of the following refrigerants?

Correct Answer: Option A — R-22

Alkyl benzene synthetic oils are highly miscible with HCFC refrigerants like R-22 across wide operating temperatures. They provide excellent chemical stability, wax-free low-temperature performance, and proper oil return to the compressor crankcase in marine R-22 air conditioning systems.