When measuring the oxygen content of the...

Question 1 / 205eccef9dbacbc34ba4d45cd0

Question 1 of 205eccef9dbacbc34ba4d45cd0

When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.

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Question 1 of 20

5eccef9dbacbc34ba4d45cd0

When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.

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🔍 Key Concepts

• Gas testing procedures for cargo tanks before loading, especially with vapor recovery systems • How oxygen concentration can vary with height inside a tank • Why sampling points must represent both top and bottom tank conditions

💭 Think About

• Think about how gases and vapors stratify in a cargo tank: will the oxygen content be the same at the top and bottom? • Which answer gives you sampling points that are both representative of the whole tank and practical for routine testing? • Consider how ullage (empty space above the liquid) affects where you would want to measure oxygen before loading.

✅ Before You Answer

• Identify which options include both an upper and a lower sampling point in the tank. • Check which option uses ullage in a way that actually makes sense physically and operationally. • Verify which spacing of measurements would most likely be found in a standard operating procedure rather than an emergency or research situation.

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Question 1 of 20

When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.

one meter from the tank bottom and one meter below the tank top

one half the ullage of the tank and one meter below the tank top

at three meter intervals from the tank top to the bottom

one half the ullage of the tank and one meter above the tank bottom

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Question 1 / 205eccef9dbacbc34ba4d45cd0

Question 1 of 205eccef9dbacbc34ba4d45cd0

When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.

Back

Question 1 of 20

5eccef9dbacbc34ba4d45cd0

When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.

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