SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

Which leak-check method is allowed under EPA rules as a de minimis release?

Releasing the entire remaining charge to listen for hissing Using oxygen or compressed air as the test gas Adding a small amount of the system refrigerant as a tracer in dry nitrogen Using propane from a torch cylinder as a tracer gas

Correct Answer:

Adding a small amount of the system refrigerant as a tracer in dry nitrogen

Access more questions from this quiz

Continue to SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions