Refresher Exit Exam • Set 2 Question 15 of 30
You have carbon tetrachloride as part of the cargo. If a fire breaks out in the general area, what is the major danger from the carbon tetrachloride?
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Direct Answer
Option D: Phosgene gas may be formed if it comes in contact with hot metal
Carbon tetrachloride decomposes when exposed to high heat or flame, producing phosgene gas, which is extremely toxic and lethal to personnel.
All Options
A
It will explode if exposed to a flame
B
It will burn rapidly once ignited
C
You cannot use water to fight the fire because it will react with the carbon tetrachloride
D
Phosgene gas may be formed if it comes in contact with hot metal
(Correct Answer)
Detailed Explanation & Context
Carbon tetrachloride decomposes when exposed to high heat or flame, producing phosgene gas, which is extremely toxic and lethal to personnel.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Course for STCW Modular Courses (Refresher).
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