Which of the following indicates a hose should be removed from service?

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Multiple Choice

Which of the following indicates a hose should be removed from service?

Blistering on the jacket is a sign of serious damage to the hose’s outer layer, indicating the fabric has delaminated or the layers under the jacket have separated. This weakens the hose’s ability to withstand pressure and heat, creating a real risk of rupture when pressurized in service. Because the jacket integrity is compromised, the hose should be taken out of service and repaired or replaced. The other signs aren’t as definitive for immediate removal: age alone doesn’t guarantee failure, a twist under pressure can be a handling issue or a temporary condition, and air escaping during testing shows a leak but may be addressed by repair rather than outright discard—though it does signal the hose needs attention.

Blistering on the jacket is a sign of serious damage to the hose’s outer layer, indicating the fabric has delaminated or the layers under the jacket have separated. This weakens the hose’s ability to withstand pressure and heat, creating a real risk of rupture when pressurized in service. Because the jacket integrity is compromised, the hose should be taken out of service and repaired or replaced.

The other signs aren’t as definitive for immediate removal: age alone doesn’t guarantee failure, a twist under pressure can be a handling issue or a temporary condition, and air escaping during testing shows a leak but may be addressed by repair rather than outright discard—though it does signal the hose needs attention.

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