If one fuel strainer of a duplex strainer...

Question 1 / 270705eccefa2bacbc34ba4d477a9

Question 1 of 270705eccefa2bacbc34ba4d477a9

If one fuel strainer of a duplex strainer unit becomes clogged while your vessel is underway, you should first __________.

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Question 1 of 27070

If one fuel strainer of a duplex strainer unit becomes clogged while your vessel is underway, you should first __________.

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🔍 Key Concepts

• Duplex fuel strainer normal operating procedure • Maintaining continuous fuel supply to an engine underway • Risks of introducing air or debris into the fuel system

💭 Think About

• Think about why a duplex strainer has two sides and a transfer handle—what is it designed to let you do while underway? • Which action keeps the engine running while you deal with the clogged side safely? • Which choice could allow unfiltered fuel or air into the system and possibly damage or shut down the engine?

✅ Before You Answer

• Confirm which option maintains fuel flow and engine operation. • Eliminate any option that would send fuel around filtration directly to the engine. • Avoid any step that would suddenly stop fuel to the engine unless there is an emergency like fire.

Question 1 of 27070

If one fuel strainer of a duplex strainer unit becomes clogged while your vessel is underway, you should first __________.

secure the engine immediately

change the oil flow over to the clean side

stop the fuel oil pump

open the strainer bypass valve

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