Type II — High-PressureQuestion 144 of 240
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.Solid orange
b.Solid black
c.Gray with a yellow top
d.Green body with a white top
Explanation
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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Related questions on this topic
- A technician measures 12°F of superheat on a fixed-orifice R-22 system but the manufacturer's chart calls for 20°F at those conditions. What does the low superheat suggest?
- During recovery from a Type II system, a technician sees noncondensable gases (air) collected in the recovery cylinder. What is the correct handling under Section 608?
- A DOT-approved refrigerant recovery cylinder must be periodically retested for safety. What is the standard hydrostatic retest interval for these cylinders?
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- A technician recovers R-22 from a rooftop unit that holds 150 pounds using equipment made after November 15, 1993. To what vacuum must the system be evacuated during recovery?
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