Which statement about entry into a space...

Question 1 / 2066636ee728f7522a1c518a6e

Question 1 of 2066636ee728f7522a1c518a6e

Which statement about entry into a space that has been sealed for a long time is TRUE?

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Question 1 of 20

66636ee728f7522a1c518a6e

Which statement about entry into a space that has been sealed for a long time is TRUE?

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🔍 Key Concepts

• Enclosed space entry requirements on tankers and cargo vessels • Safe oxygen percentage for human respiration in confined spaces • Testing for oxygen content, toxicity, and flammable (explosive) gases before entry

💭 Think About

• Think about what checks must ALWAYS be completed before anyone goes into a space that has been closed for a long time, especially if it held hazardous liquids. • Consider the minimum oxygen level that is generally regarded as safe for entry without breathing apparatus—how does 14% compare to normal air? • Ask yourself which statement describes a standard, routine safety procedure rather than something situational or relying on assumptions.

✅ Before You Answer

• Verify what normal atmospheric oxygen content is (approximately 21%) and what is generally considered the minimum safe level for entry (usually around 19.5%). • Confirm that enclosed space entry procedures require testing for oxygen, toxicity, and flammable gases in tanks that carried hazardous cargo. • Check whether natural ventilation alone is considered sufficient under enclosed space entry guidelines, or whether forced ventilation and gas testing are normally required.

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Question 1 of 20

Which statement about entry into a space that has been sealed for a long time is TRUE?

The heat of the sun on upper ballast tanks, such as in a bulk carrier, may generate carbon monoxide.

You can safely enter the space without a breathing apparatus if the oxygen content exceeds 14%.

A tank that has been used to carry hazardous liquids should be tested for oxygen content, toxicity, and explosive gases.

The natural ventilation through the installed vents is sufficient to provide the proper oxygen content.

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Question 1 / 2066636ee728f7522a1c518a6e

Question 1 of 2066636ee728f7522a1c518a6e

Which statement about entry into a space that has been sealed for a long time is TRUE?

Back

Question 1 of 20

66636ee728f7522a1c518a6e

Which statement about entry into a space that has been sealed for a long time is TRUE?

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