Type a keyword to start searching...

Use ⌘K or Ctrl+K to search from anywhere
CHEMCO Exit Exam • Set 11 Question 12 of 30

Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?

✓

Direct Answer

Option D: Carbon monoxide

Carbon monoxide (CO) is the most likely poisonous gas in a closed compartment fire. It results from incomplete combustion of organic materials due to insufficient oxygen. CO is highly toxic, colorless, and odorless, posing a severe threat to life, as highlighted in ISGOTT.

All Options

A
Nitrogen
B
Hydrogen
C
Carbon dioxide
D
Carbon monoxide (Correct Answer)

Detailed Explanation & Context

Carbon monoxide (CO) is the most likely poisonous gas in a closed compartment fire. It results from incomplete combustion of organic materials due to insufficient oxygen. CO is highly toxic, colorless, and odorless, posing a severe threat to life, as highlighted in ISGOTT.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

Advertisement

Practice Full CHEMCO Set 11

Test yourself with 30 interactive questions, live timer, and instant score.

Launch Practice Simulator →

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Leave a Comment / Clarification

By posting, you agree to our Terms & Moderation Policy.

Loading mariner discussions...