What is the combined fan discharge rate in an inert gas system is related to?
Official USCG Answer & Rule Citation
Correct Answer: Option C — maximum cargo pump discharge rate
Under SOLAS Chapter II-2 and 46 CFR 32.53, the combined capacity of the inert gas blowers must be at least 125% of the maximum cargo pump discharge rate. This design margin ensures positive tank pressure is maintained, preventing air ingress during rapid cargo discharge.
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