USCG USCG General Eng
Set 10 • Question #34 of 498
Launch Interactive Practice Room Dichlorodifluoromethane when vaporized in the presence of an open flame, will form __________.
A
carbon dioxide gas
B
phosgene gas
✓ Correct Answer
C
trichlorodifluoromethane
D
sulphur dioxide
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Dichlorodifluoromethane when vaporized in the presence of an open flame, will form', the standard operating requirement is: 'phosgene gas'.
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