Regulations & Safety第 44 / 240 题
A refrigerated warehouse uses a commercial refrigeration system with 300 pounds of refrigerant. What annual leak rate threshold applies to commercial refrigeration under the current rules?
a.10 percent
b.20 percent
c.30 percent
d.50 percent
解析
Commercial refrigeration appliances have a leak rate threshold of 20 percent per year, higher than the 10 percent for comfort cooling but lower than the 30 percent for industrial process refrigeration. A 50 percent threshold does not exist under the rule. Once the calculated annual leak rate exceeds 20 percent, repairs must generally be completed within 30 days.
法律依据: 40 CFR §82.157免费刷完整 240 道题库 — 无需注册。
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