R-22 is generally considered to be a safe, nontoxic, nonflammable, and nonexplosive refrigerant. It can, however, become highly toxic under what conditions?
A
superheated outside the system
B
in contact with an open flame
C
heated to the boiling point
D
all of the above
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Question 1 / 205eccef9dbacbc34ba4d45f25
Question 1 of 205eccef9dbacbc34ba4d45f25
R-22 is generally considered to be a safe, nontoxic, nonflammable, and nonexplosive refrigerant. It can, however, become highly toxic under what conditions?
R-22 is generally considered to be a safe, nontoxic, nonflammable, and nonexplosive refrigerant. It can, however, become highly toxic under what conditions?