Which of the following represents the...

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Question 1 of 205eccef9dbacbc34ba4d45d08

Which of the following represents the maximum percent of oxygen, by volume, required to be achieved by a ship's inert gas system, prior to the commencement of crude oil tank washing?

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5eccef9dbacbc34ba4d45d08

Which of the following represents the maximum percent of oxygen, by volume, required to be achieved by a ship's inert gas system, prior to the commencement of crude oil tank washing?

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🔍 Key Concepts

• SOLAS Chapter II-2 requirements for inert gas systems on tankers • Safe limit for oxygen content in cargo tanks before crude oil washing • Difference between inerting for cargo operations and gas-free conditions for entry

💭 Think About

• Think about why we use an inert gas system during crude oil washing and what hazard we are trying to prevent. • Is the required oxygen level closer to completely air-like conditions or to a level where combustion cannot be supported? • Among the options, which values are low enough to clearly keep the atmosphere well below the flammable range of hydrocarbon vapors?

✅ Before You Answer

• Verify the maximum permitted oxygen percentage by volume in cargo tanks before starting crude oil washing under SOLAS/IGS rules. • Confirm that the figure used for crude oil washing is the same as, or derived from, the standard inert gas system operating limit for cargo tanks during discharge. • Check that you are reading percent by volume correctly (e.g., 0.06 means 0.06%, not 6%).

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Question 1 of 205eccef9dbacbc34ba4d45d08

Which of the following represents the maximum percent of oxygen, by volume, required to be achieved by a ship's inert gas system, prior to the commencement of crude oil tank washing?

Back

Question 1 of 20

5eccef9dbacbc34ba4d45d08

Which of the following represents the maximum percent of oxygen, by volume, required to be achieved by a ship's inert gas system, prior to the commencement of crude oil tank washing?

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

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