What personal protective equipment does a technician put on before draining liquid low-pressure refrigerant into a recovery cylinder?
Correct Answer
C) Chemical resistant gloves and splash goggles
Handling liquid refrigerant creates a splash risk to the eyes and skin. Chemical resistant gloves keep the liquid off the hands, and splash goggles that seal around the eyes protect against a spray from a fitting that lets go. Ordinary safety glasses leave the sides open, cotton gloves absorb liquid and hold it against the skin, and hearing protection and boots address hazards that are not the ones present at this task.
Why This Is the Correct Answer
Liquid refrigerant contacting skin or eyes is the hazard at this step, and the protection has to match it. Gloves of a material the refrigerant does not soak through, plus goggles that seal around the eyes, are the correct combination for a task where a fitting can spray under pressure.
Why the Other Options Are Wrong
Option A: A dust mask and ordinary safety glasses
A dust mask does nothing for vapor or liquid refrigerant, and open sided safety glasses do not stop a splash from reaching the eyes.
Option B: Cotton work gloves alone, since the liquid is near room temperature
Cotton absorbs liquid refrigerant and holds it against the skin, which makes a splash worse rather than better, regardless of the liquid's temperature.
Option D: Hearing protection and steel toed boots as the primary protection
Boots and hearing protection are ordinary jobsite equipment but they protect against hazards that have nothing to do with a refrigerant splash.
Memory Technique
Liquid means splash, splash means seal. Goggles that seal and gloves that do not soak.
Reference Hint
Handling liquid refrigerant requires chemical resistant gloves and splash goggles to protect skin and eyes.
More epa-608-type-3 Questions
Some jobs on a chiller count as a major repair under the refrigerant rules, which changes what a technician is allowed to do with a badly leaking machine. Which job falls into that category?
An owner asks how many pounds of refrigerant the rules allow to be left inside a chiller once the recovery has been signed off. What is the correct answer to give him?
The motor of a hermetic centrifugal chiller sits inside the pressure boundary rather than outside it on a shaft. What follows from that construction?
An oxygen monitor is used to decide whether a chiller machine room is safe to enter after a refrigerant release. Below what oxygen reading is the atmosphere treated as oxygen deficient?
A low-pressure chiller's rupture disc has a discharge line running from it. Where does that line have to terminate?
A refrigerant vapor detector in a chiller machine room reaches its alarm level. Besides sounding, what is that alarm expected to do?
Which piece of equipment requires a technician to hold Type III certification before it may be serviced?
What property of the refrigerant is what actually places an appliance into the low-pressure category?
During normal operation, what condition exists inside the evaporator of a running low-pressure centrifugal chiller?
In what unit is the required final recovery vacuum for a low-pressure appliance normally expressed?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Project Management
60 questions · 70% to pass