What percent of oxygen content by volume,...

Question 1 / 2066636ee728f7522a1c51856b

Question 1 of 2066636ee728f7522a1c51856b

What percent of oxygen content by volume, must each inert gas system be designed to supply the cargo tanks with a gas, or mixture of gases?

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Question 1 of 20

66636ee728f7522a1c51856b

What percent of oxygen content by volume, must each inert gas system be designed to supply the cargo tanks with a gas, or mixture of gases?

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🔍 Key Concepts

• Inert gas system purpose on tankers (why we use it for cargo tanks) • The minimum oxygen concentration needed to support combustion of hydrocarbon vapors • Relevant standards in SOLAS for inert gas systems on tankers

💭 Think About

• Think about what oxygen level is generally considered too low to support burning of most hydrocarbon cargo vapors. • Compare that typical ‘safe’ oxygen percentage with each of the choices given; which one clearly falls below the combustion-support threshold? • Ask yourself whether the standard is set with a safety margin below the point where ignition is possible, or right at the limit.

✅ Before You Answer

• Verify in SOLAS requirements for inert gas systems the maximum allowable oxygen content delivered to cargo tanks. • Check which answer choices are clearly above normal atmospheric oxygen (about 21%) and which are significantly below it. • Confirm that the correct choice reflects a value that is low enough to reliably prevent combustion of most petroleum vapors, with a margin of safety.

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Question 1 of 20

What percent of oxygen content by volume, must each inert gas system be designed to supply the cargo tanks with a gas, or mixture of gases?

15% or less

10% or less

20% or less

5% or less

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Question 1 / 2066636ee728f7522a1c51856b

Question 1 of 2066636ee728f7522a1c51856b

What percent of oxygen content by volume, must each inert gas system be designed to supply the cargo tanks with a gas, or mixture of gases?

Back

Question 1 of 20

66636ee728f7522a1c51856b

What percent of oxygen content by volume, must each inert gas system be designed to supply the cargo tanks with a gas, or mixture of gases?

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