If one fuel oil strainer of a duplex unit...

Question 1 / 270705eccefa2bacbc34ba4d477aa

Question 1 of 270705eccefa2bacbc34ba4d477aa

If one fuel oil strainer of a duplex unit becomes clogged while the vessel is steaming at sea, the FIRST action should be to __________.

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Question 1 of 27070

If one fuel oil strainer of a duplex unit becomes clogged while the vessel is steaming at sea, the FIRST action should be to __________.

🔍 Key Concepts

• Duplex fuel oil strainer normal operating purpose and design • What happens to fuel supply and engine operation if you interrupt flow suddenly at sea • Relative safety of switching to a clean, online filter vs. cleaning, stopping pumps, or using a bypass

💭 Think About

• In a duplex strainer system, what feature allows you to deal with a clogged element without interrupting fuel flow? • Which option maintains fuel supply to the engine while you address the clog safely? • Which choice could send unfiltered fuel to the engine or risk a loss of power at sea?

✅ Before You Answer

• Identify which action keeps continuous fuel flow to the engine while addressing the problem • Avoid any step that introduces unfiltered fuel into the system if a safe alternative exists • Avoid any action that would unnecessarily stop the engine or risk loss of propulsion in open water

Question 1 of 27070

If one fuel oil strainer of a duplex unit becomes clogged while the vessel is steaming at sea, the FIRST action should be to __________.

clean the dirty strainer as quickly as possible

change the oil flow over to the clean side

stop the fuel oil service pump

open the strainer bypass valve