Regulations require that cargo pumprooms...

Question 1 of 270705eccef9cbacbc34ba4d45bbe

Regulations require that cargo pumprooms handling grades D and/or E liquid cargo only shall be fitted with ducts extended to the weather deck. How many ducts are required?

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Question 1 of 27070

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Regulations require that cargo pumprooms handling grades D and/or E liquid cargo only shall be fitted with ducts extended to the weather deck. How many ducts are required?

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🔍 Key Concepts

• 46 CFR requirements for cargo pumprooms on tank vessels • Ventilation requirements for grades D and E liquid cargoes • Difference between supply and exhaust ducts in mechanical ventilation systems

💭 Think About

• Think about why ventilation ducts are needed in a pumproom that handles flammable or combustible liquids, even for the less hazardous grades D and E • Consider whether safe air circulation in an enclosed space usually requires both bringing in fresh air and removing contaminated air • Ask yourself if the regulation is likely to require redundancy or just a basic, functional ventilation arrangement for these lower-risk cargoes

✅ Before You Answer

• Check in 46 CFR what it specifically says about the number of ducts for pumprooms handling grades D and/or E only • Verify whether the rule mentions separate intake and exhaust ducting • Confirm if there is any requirement for additional ducts beyond the basic intake and exhaust for monitoring or emergency use