Recovery & Recycling第 210 / 240 题
A recovery cylinder should never be filled beyond what percentage of its capacity by weight?
a.70 percent
b.80 percent
c.90 percent
d.95 percent
解析
Never fill a recovery cylinder beyond 80 percent of its capacity by weight. The remaining 20 percent of headspace lets the liquid refrigerant expand as temperature rises, preventing a hydraulically full cylinder from rupturing. Always weigh the cylinder to confirm the fill level.
法律依据: 40 CFR §82.154免费刷完整 240 道题库 — 无需注册。
同考点相关题目
- System-dependent (passive) recovery equipment may only be used on:
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- A recovery cylinder is identified by which color scheme?
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- Before recovering refrigerant from an unfamiliar system, a technician should first:
- Mixing two different refrigerants in one recovery cylinder is a serious problem because the mixture: