EPA 608 Core · Safety · Easy
What physical hazard does liquid refrigerant pose to skin?
Answer: A. Severe frostbite.
- ASevere frostbite.✓ Correct
- BChemical burns.
- CRadiation poisoning.
- DElectric shock.
Why A is right
Refrigerant boils rapidly at atmospheric pressure, absorbing massive heat and instantly freezing skin.
More Core questions
- What can happen if CFC or HCFC refrigerants are exposed to high heat or open flames?
- What happens when refrigerant vapor is inhaled in large quantities?
- Which ASHRAE safety classification applies to mildly flammable refrigerants like R-32 and R-454B that are replacing high-GWP HFCs under the AIM Act?
- Under ASHRAE Standard 34, what does an A2L refrigerant classification indicate?
- Under ASHRAE Standard 34, what does 'A1' signify?
Go deeper with the study guide A2L Refrigerants and the R-410A Transition: A Tech’s Guide, try the free 10-question test or browse all EPA 608 practice questions.
A practice question written for study, checked against 40 CFR Part 82, Subpart F. It is not an official EPA exam question, and this site is not affiliated with the U.S. EPA.