When removing the cap from a sounding tube...

Question 1 / 205eccef9ebacbc34ba4d4661a

Question 1 of 205eccef9ebacbc34ba4d4661a

When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

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Question 1 of 20

5eccef9ebacbc34ba4d4661a

When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

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🔍 Key Concepts

• MODU (Mobile Offshore Drilling Unit) ballast, fuel, or void tanks and how sounding tubes work • Relationship between air pressure in a closed/vented tank and the liquid level inside • What it means when you hear air escaping as you open a cap on a tank that has liquid in it

💭 Think About

• Think about why there would be air under pressure in the top of a tank and what has to happen to the liquid level for that pressure to build up or change • Consider what the tank would be like if it were completely full of liquid versus completely empty—would you expect to hear air rushing out in either case? • Ask yourself what a partially filled tank allows to happen to the air space above the liquid as the level changes and how that could cause air to escape when you open the cap

✅ Before You Answer

• Be clear on the difference between a tank that is completely full of liquid and one that has an air space (ullage) above the liquid • Consider whether falling level or rising level would more likely trap or compress air in the top of the tank • Verify which option best matches a situation where there is both air space and liquid in the tank, allowing air to escape when the cap is opened

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Question 1 of 20

When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

is completely flooded

level has dropped

may be partially flooded

is full

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Question 1 / 205eccef9ebacbc34ba4d4661a

Question 1 of 205eccef9ebacbc34ba4d4661a

When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

Back

Question 1 of 20

5eccef9ebacbc34ba4d4661a

When removing the cap from a sounding tube on a MODU, the sound of air escaping indicates the tank __________.

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