Power Eng 2nd Class Practice Questions - SOPEEC 2nd Class Power Engineer Exams Exam

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Under CSA B52 (Mechanical Refrigeration Code), how is a refrigerant classified if it has low toxicity and shows no flame propagation at 60°C and 101.3 kPa?

Class B3 Class A1 Class B1 Class A2L

Correct Answer:

Class A1

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