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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q534 - Engineering Safety & Environmental Protection
115. According to 46 CFR Part 147, a cylinder used for storing CO₂ in a fixed firefighting system must be hydrostatically retested and restamped every __________.
According to 46 CFR Part 147, CO2 cylinders used for storing CO2 in a fixed firefighting system must be hydrostatically retested and restamped every 12 years.
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