Exam (elaborations)
HVAC: EPA 608 TEST PREP QUESTIONS & ANSWERS
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1. Ozone molecule has: 3 oxygen atoms. 2. Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: disposable cylinders. 3. Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants: HFOs. 4...
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