When preparing a MODU for heavy weather,...

Question 1 / 2707066636ee728f7522a1c518638

Question 1 of 2707066636ee728f7522a1c518638

When preparing a MODU for heavy weather, fuel oil day tanks should be __________.

Question 1 of 27070

When preparing a MODU for heavy weather, fuel oil day tanks should be __________.

🔍 Key Concepts

• Free surface effect and how it impacts vessel or MODU stability • Purpose and normal operating level of fuel oil day tanks • Safe and legal methods of dealing with fuel in heavy weather

💭 Think About

• How does a liquid in a partially filled tank affect stability compared to a full or empty tank? • In heavy weather, do you want to increase or decrease the free surface effect? What tank condition best achieves that? • Which choices describe actions that would actually be allowed and make sense from a safety and pollution-prevention standpoint?

✅ Before You Answer

• Identify which option reduces free surface effect rather than increasing it • Eliminate any option that would clearly violate pollution prevention rules (think MARPOL / oil discharge rules) • Ask whether the selected option would realistically improve the MODU’s stability and safety in heavy weather

Question 1 of 27070

When preparing a MODU for heavy weather, fuel oil day tanks should be __________.

filled to ensure that sufficient fuel oil is available during a lengthy emergency

drained to the lower hull to reduce free surfaces

partially drained to increase free surfaces in order to reduce motions

pumped overboard to calm the seas

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Question 1 / 2707066636ee728f7522a1c518638

Question 1 of 2707066636ee728f7522a1c518638

When preparing a MODU for heavy weather, fuel oil day tanks should be __________.

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Question 1 of 27070

When preparing a MODU for heavy weather, fuel oil day tanks should be __________.