Core (Universal)第 40 / 240 题
A homeowner asks a technician to just 'top off' a leaking R-22 system every summer instead of fixing the leak. Why is intentionally not repairing a significant leak a problem?
a.It has no downside as long as the system cools
b.It is only a concern for commercial systems
c.It voids the thermostat warranty
d.It keeps emitting ozone-depleting refrigerant
解析
Repeatedly recharging a leaking system wastes scarce, phased-out R-22 and allows an ozone-depleting refrigerant to escape into the atmosphere, exactly the outcome Section 608 is designed to reduce. It is not merely a warranty or commercial-only issue, and there is a real environmental and cost downside. Good practice is to find and repair leaks rather than continually add refrigerant.
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同考点相关题目
- A service company disposes of a chiller that held 200 pounds of R-123. Records showing the refrigerant was recovered and the quantities involved generally must be kept for at least:
- Before refrigerant that has been recovered from one owner's system can be sold to a different owner, it must be:
- A technician is scrapping an old refrigerator at a recycling yard. Who is responsible for ensuring the refrigerant is recovered before the appliance is shredded or disposed of?
- A technician finishes recovering R-410A but the recovery machine's low-loss fittings still hold a small amount of refrigerant. What is the correct practice?
- Which of the following releases of refrigerant is NOT considered illegal venting under Section 608?
- A technician suspects a disposable (single-use) refrigerant cylinder is nearly empty. What is the correct handling under Section 608 practice?
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