EPA 609 Certification Exam Questions and Answers

Which component of CFC refrigerant is the cause of ozone depletion? - ANSWER-Chlorine pg1 The Stratospheric Ozone layer protects us from; - ANSWER-ultraviolet radiation pg1 The current standard for recovery only equipment is SAE; - ANSWER-J2810 pg3 When checking a cylinder of recycled HFC-134a ...

The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: - ANSWER-2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrige...

the recovery process on an R-12 or R-134a A/C system should continue until a stable vacuum held by the system for - ANSWER-2 minutes technician a says that the refrigerant container should be placed in a cooler storage area before use technician b says that the vapor in the container should be s...

If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant? - ANSWER-Re-install lubricant removed by the recovery equipment Before reuse, what must be done with HFC-134a that has been recovered from a mobile A/C system using recovery-onl...

Which refrigerants contain the most chlorine? - ANSWER-CFC. R11,R12,R500. As of what date did it become unlawful to intentionally release Class I and Class II refrigerants to the atmosphere? - ANSWER-July 1 1992. Which refrigerants have the lowest ozone depletion potential (ODP)? - ANSWER-HFC. ...

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - ANSWER-80% Ozone layer absorbs and scatters ________ from the sun - ANSWER-Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technic...

What is the maximum percent by weight that a cylinder may be filled? - ANSWER-80%. What can happen if a cylinder is overfilled? - ANSWER-Hydrostatic pressure could cause the cylinder to explode. List three methods for measuring the fill level of a recovery cylinder. - ANSWER-Floats, thermistor ...

Section 609 Questions and Answers 1. T/F Ozone at ground level and at Stratosphere is a harmful pollutant - ANSWER-FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 - ANSWER-CFC-11 3. Ozone layer absorbs and scatters __________ form the sun - ...

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