Type II — High-Pressure第 144 / 240 题
A technician wants a quick way to know whether a recovery cylinder is a refrigerant recovery cylinder by its color scheme. What is the standard color for a refrigerant recovery cylinder?
a.Gray body with a yellow top (shoulder)
b.Green body with a white top
c.Solid orange
d.Solid black
解析
The standard color scheme for a refrigerant recovery cylinder is a gray body with a yellow top (shoulder). This distinguishes recovered refrigerant cylinders from color-coded virgin refrigerant cylinders. Using the correct, DOT-approved cylinder helps prevent dangerous mix-ups and overpressure.
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