What type of main lube oil supply and...

Question 1 / 2066636eed28f7522a1c51e3e9

Question 1 of 2066636eed28f7522a1c51e3e9

What type of main lube oil supply and scavenging pump is installed on the marine gas turbine engine shown in the illustration? Illustration GT-0017

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Question 1 of 20

66636eed28f7522a1c51e3e9

What type of main lube oil supply and scavenging pump is installed on the marine gas turbine engine shown in the illustration? Illustration GT-0017

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🔍 Key Concepts

• Gas turbine lube oil systems normally require a positive displacement pump to maintain flow at all shaft speeds and pressures. • Compare how rotary pumps (like vane or centrifugal) move fluid versus reciprocating or diaphragm types. • Think about which pump type is commonly used for continuous high‑flow lubrication and scavenging on main propulsion machinery.

💭 Think About

• Ask yourself which of the four options can provide a steady, non‑pulsating flow suitable for cooling and lubricating high‑speed bearings. • Which pump type would be impractical or overly complex to use as a combined main lube and scavenging pump on a large marine gas turbine? • Of the listed pumps, which one is most often associated with engine lube oil systems rather than with fuel metering or small transfer duties?

✅ Before You Answer

• Eliminate any pump type that is not positive displacement or that loses capacity badly as system pressure changes. • Eliminate options that typically produce strong pulsations in flow, which are undesirable for bearing lubrication. • Consider which option is most mechanically suited to direct drive from the engine or accessory gearbox for continuous operation.

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Question 1 of 20

What type of main lube oil supply and scavenging pump is installed on the marine gas turbine engine shown in the illustration? Illustration GT-0017

Vane.

Flexible diaphragm.

Reciprocating piston.

Centrifugal.

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Question 1 / 2066636eed28f7522a1c51e3e9

Question 1 of 2066636eed28f7522a1c51e3e9

What type of main lube oil supply and scavenging pump is installed on the marine gas turbine engine shown in the illustration? Illustration GT-0017

Back

Question 1 of 20

66636eed28f7522a1c51e3e9

What type of main lube oil supply and scavenging pump is installed on the marine gas turbine engine shown in the illustration? Illustration GT-0017

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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