The main propulsion engines onboard your...

Question 1 / 2066636eef28f7522a1c51fed8

Question 1 of 2066636eef28f7522a1c51fed8

The main propulsion engines onboard your harbor tug use a lubricating oil system as shown in the illustration. What item number represents the scavenging lube oil pump? Illustration MO-0183

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Question 1 of 20

66636eef28f7522a1c51fed8

The main propulsion engines onboard your harbor tug use a lubricating oil system as shown in the illustration. What item number represents the scavenging lube oil pump? Illustration MO-0183

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🔍 Key Concepts

• Trace the direction of oil flow from the engine sump back to the engine bearings and moving parts. • Understand that a scavenging lube oil pump normally returns collected or drained oil back into the main lube system, often from a drain/sump or tank. • Identify the symbol that represents a pump (round body with suction and discharge lines) versus coolers, filters, and valves.

💭 Think About

• Follow the arrows from the lowest point in the system (the sump/drain) and see which numbered component first pumps oil onward into the system. • Ask yourself which numbered item is clearly a rotating pump body and not a cooler, filter element, or valve when you look at the shapes. • Look for the component that would handle returned or drained oil rather than clean, pressurized supply oil going directly to the engine bearings.

✅ Before You Answer

• Verify which component is connected directly to the sump/drain line before going through coolers or filters. • Confirm that the chosen number is a pump symbol, not a heat exchanger (cooler) or filter housing/element. • Check that the discharge of this component leads toward the main lube oil flow path feeding the engine, consistent with a scavenging pump’s job.

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Question 1 of 20

The main propulsion engines onboard your harbor tug use a lubricating oil system as shown in the illustration. What item number represents the scavenging lube oil pump? Illustration MO-0183

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Question 1 / 2066636eef28f7522a1c51fed8

Question 1 of 2066636eef28f7522a1c51fed8

The main propulsion engines onboard your harbor tug use a lubricating oil system as shown in the illustration. What item number represents the scavenging lube oil pump? Illustration MO-0183

Back

Question 1 of 20

66636eef28f7522a1c51fed8

The main propulsion engines onboard your harbor tug use a lubricating oil system as shown in the illustration. What item number represents the scavenging lube oil pump? Illustration MO-0183

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?

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