When checking the oxygen content of the...

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Question 1 of 2066636ee728f7522a1c5176cd

When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, the atmosphere must be sampled __________.

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Question 1 of 20

66636ee728f7522a1c5176cd

When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, the atmosphere must be sampled __________.

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🔍 Key Concepts

• Stratification of gases inside a cargo tank (heavier-than-air vs lighter-than-air vapors) • Purpose of checking oxygen content before loading cargoes with vapor recovery • Why sampling at more than one vertical level is important for safety

💭 Think About

• How might oxygen concentration vary between the top and bottom of a closed tank, especially when inerted or recently gas-freed? • For safe loading with vapor recovery, do you need to be confident about oxygen levels only at one point, or throughout the tank height? • Which options give you a representative picture of both the upper and lower parts of the tank atmosphere rather than just one region or very widely spaced points?

✅ Before You Answer

• Make sure the method checks both upper and lower parts of the tank atmosphere, not just one • Check whether the option would reasonably detect stratified pockets of higher oxygen content • Verify that the spacing is practical and consistent with getting a representative sample before loading, rather than excessive or insufficient sampling points

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Question 1 of 2066636ee728f7522a1c5176cd

When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, the atmosphere must be sampled __________.

Back

Question 1 of 20

66636ee728f7522a1c5176cd

When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, the atmosphere must be sampled __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed