While underway, a slow-speed diesel engine...

Question 1 / 2066636eef28f7522a1c52043a

Question 1 of 2066636eef28f7522a1c52043a

While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked?

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Question 1 of 20

66636eef28f7522a1c52043a

While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked?

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🔍 Key Concepts

• Relationship between falling lube oil sump level and where the oil could be going (leak path or consumption) • Difference between losing oil to another system (like cooling water or fuel) versus normal burning/consumption in the cylinders • Which components, if leaking, would cause the sump level to drop while underway without obvious external oil on the engine or in the bilge

💭 Think About

• Ask yourself: if the sump level is going down slowly, is the oil more likely being burned, leaking into another closed system, or draining back somewhere? • Which listed component, if it leaked, would move lube oil into a different fluid system that you might not see directly, rather than onto the deck or into the bilge? • Consider which option reflects a realistic common check engineers perform first when they see a gradual loss of lube oil level underway.

✅ Before You Answer

• Identify which choice involves possible cross-contamination between systems (oil ending up where it should not be). • Eliminate options that would not reasonably cause a slow, gradual sump level decrease during normal operation. • Think about which item, if faulty, would also create a secondary symptom (such as change in cooling water condition or level) that you could confirm by inspection.

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Question 1 of 20

While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked?

The tank heating coils to ensure they are secured.

The lubricating oil cooler for leakage into the cooling system.

The piston oil scraper rings for excessive wear.

The standby lube oil pump to ensure it is not operating.

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Question 1 / 2066636eef28f7522a1c52043a

Question 1 of 2066636eef28f7522a1c52043a

While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked?

Back

Question 1 of 20

66636eef28f7522a1c52043a

While underway, a slow-speed diesel engine lube oil sump level slowly begins to decrease. Which of the following should be checked?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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