A large, low-speed, crosshead, main...

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Question 1 of 205eccefa2bacbc34ba4d478f1

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a __________.

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5eccefa2bacbc34ba4d478f1

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a __________.

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🔍 Key Concepts

• TBN (Total Base Number) and what it indicates about a cylinder oil • How sulfur and acids in residual fuel oils affect cylinder liner corrosion • Why slow-speed crosshead engines using residual fuel need a particular alkaline reserve in their cylinder oil

💭 Think About

• Think about what happens when high-sulfur residual fuel burns and what kind of byproducts contact the cylinder walls. • Ask yourself: does the cylinder oil for this type of engine need to neutralize acids or just provide basic lubrication? • Consider which property in the choices is directly related to protecting against corrosion in cylinders burning residual fuels.

✅ Before You Answer

• Verify which option refers to an oil’s ability to neutralize acidic byproducts. • Identify which property is measured or reflected by TBN (Total Base Number) in lubricating oils. • Eliminate options that are mainly about handling/storage characteristics (like low flash point or pour point) rather than neutralizing acidity in the cylinder.

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Question 1 of 205eccefa2bacbc34ba4d478f1

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a __________.

Back

Question 1 of 20

5eccefa2bacbc34ba4d478f1

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a __________.

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

— No credit card needed