When securing the operation of an inert gas...

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Question 1 of 205eccef9dbacbc34ba4d45d0f

When securing the operation of an inert gas system, the final step should be _________.

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5eccef9dbacbc34ba4d45d0f

When securing the operation of an inert gas system, the final step should be _________.

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🔍 Key Concepts

• Inert gas system shutdown sequence on tankers • Purpose of the deck isolating valve and flue gas isolating valve • What keeps cargo tanks protected from air ingress during and after shutdown

💭 Think About

• Think about which component, if left open or running, could allow air (oxygen) to be drawn back into the cargo tanks after the system stops making gas. • Consider the normal flow path of inert gas from the source (boiler/furnace or generator) to the tanks. In what order should you isolate parts of that path to keep a positive inert condition? • Ask yourself: during shutdown, what do you want to ensure first—stopping the source of gas, stopping the cooling/cleaning water, or maintaining/controlling the barrier between tanks and the atmosphere?

✅ Before You Answer

• Verify which valve or piece of equipment directly separates the cargo tank system from the inert gas plant/uptake. • Check which step, if done too early, might expose the tanks to air or cause loss of positive pressure. • Confirm which item is normally kept in the safest position until all other shutdown actions are complete, to maintain protection of the tanks.

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Question 1 of 205eccef9dbacbc34ba4d45d0f

When securing the operation of an inert gas system, the final step should be _________.

Back

Question 1 of 20

5eccef9dbacbc34ba4d45d0f

When securing the operation of an inert gas system, the final step should be _________.

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?

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