Corrosion and grooving on the blading of an...

Question 1 / 205eccefa2bacbc34ba4d47b09

Question 1 of 205eccefa2bacbc34ba4d47b09

Corrosion and grooving on the blading of an exhaust driven turbocharger is caused by certain components of residual fuel oils. These components are vanadium, sodium, and __________.

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Question 1 of 20

5eccefa2bacbc34ba4d47b09

Corrosion and grooving on the blading of an exhaust driven turbocharger is caused by certain components of residual fuel oils. These components are vanadium, sodium, and __________.

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🔍 Key Concepts

• Residual fuel oil impurities and how they affect high-temperature turbine or turbocharger components • The role of ash-forming metals in causing hot corrosion and grooving on turbocharger blading • Difference between non-metallic elements in fuel (like carbon, hydrogen, sulfur) and trace metallic contaminants

💭 Think About

• Think about which of the listed elements, when combined with vanadium and sodium, is known to form very hard, corrosive ash deposits at high temperature on turbine or turbocharger blades. • Ask yourself: which option is commonly discussed in marine engineering as a metallic contaminant/impurity in heavy fuel oil, rather than a main combustible component of the fuel? • Consider which elements among the choices are already the primary building blocks of hydrocarbon fuels, and which one is more typically present only in small, contaminant amounts.

✅ Before You Answer

• Verify which element among the choices is typically classified as an ash-forming metallic contaminant in heavy fuel oils. • Check your marine engineering or propulsion notes on vanadium/sodium hot corrosion and what third element is often mentioned with them. • Eliminate any options that are major fuel constituents (basic parts of hydrocarbons) rather than trace contaminants causing ash and grooving.

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Question 1 of 20

Corrosion and grooving on the blading of an exhaust driven turbocharger is caused by certain components of residual fuel oils. These components are vanadium, sodium, and __________.

copper

carbon

hydrogen

sulfur

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Question 1 / 205eccefa2bacbc34ba4d47b09

Question 1 of 205eccefa2bacbc34ba4d47b09

Corrosion and grooving on the blading of an exhaust driven turbocharger is caused by certain components of residual fuel oils. These components are vanadium, sodium, and __________.

Back

Question 1 of 20

5eccefa2bacbc34ba4d47b09

Corrosion and grooving on the blading of an exhaust driven turbocharger is caused by certain components of residual fuel oils. These components are vanadium, sodium, and __________.

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