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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q516 - Engineering Safety & Environmental Protection
125. When a cylinder is used to store CO₂ in a fixed firefighting system and is retested in accordance with regulations, all flexible connections between cylinders and distribution piping must be renewed or tested at __________.
USCG regulations require flexible connections in fixed CO2 firefighting systems to be renewed or pressure-tested to 1000 psi when cylinders are retested.
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