Which of the following refrigerants has the highest flammability, according to its Safety Group classification?
Which of the following refrigerants has the highest flammability, according to its Safety Group classification?
Methane is classified under Safety Group A3, which indicates high flammability, according to ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) standards. In contrast, Octaflouropropane and Difluoromethane are less flammable, and Methyl Chloride, while being flammable, does not have the highest flammability compared to Methane.
Correct Answer is D : Methane
half the answers in here are wrong
D is correct as its flammability range is between 5.3 to 14%
ANS: C. FPH 13-119
FPH20: 8-120 ... according to its safety group classification - A3