What is the pressure of a cryogenic liquid tank?

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Prepare for the CRE Awareness and Operations Test. Study with multiple choice questions, each with insightful explanations and valuable hints. Ensure you're ready to succeed on exam day!

Multiple Choice

What is the pressure of a cryogenic liquid tank?

Explanation:
Cryogenic tanks are built to keep the liquid extremely cold while preventing pressure from building up. They use excellent insulation and a venting system that releases boil-off gas as heat leaks in. This keeps the internal pressure at a very low level, typically well under 25 psi. That’s why the correct choice describes the pressure as less than 25 psi. While some tanks may operate near even lower pressures (0–5 psi) in specific cases, the general field safety guidance uses the broader statement of less than 25 psi to reflect normal operating conditions.

Cryogenic tanks are built to keep the liquid extremely cold while preventing pressure from building up. They use excellent insulation and a venting system that releases boil-off gas as heat leaks in. This keeps the internal pressure at a very low level, typically well under 25 psi. That’s why the correct choice describes the pressure as less than 25 psi. While some tanks may operate near even lower pressures (0–5 psi) in specific cases, the general field safety guidance uses the broader statement of less than 25 psi to reflect normal operating conditions.

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