USCG USCG Safety Deck
Set 3 • Question #69 of 105
Launch Interactive Practice Room What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion?
A
Use the open flame test on a small sample that has been taken from the tank.
B
Send a gas sample ashore for laboratory analysis.
C
Enter the tank with an oxygen analyzer.
D
Use an explosimeter.
✓ Correct Answer
USCG NMC Regulatory Explanation
Under USCG Deck Safety, SOLAS Chapter III, and 46 CFR regulations, when addressing 'What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion', the mandated standard is: 'Use an explosimeter.'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...