Which of the listed conditions can cause...

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Question 1 of 205eccefa3bacbc34ba4d47ddc

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?

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5eccefa3bacbc34ba4d47ddc

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?

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🔍 Key Concepts

• Piston cooling and lubrication in medium- and low-speed diesel engines • How lube oil temperature affects oxidation, varnish, and lacquer formation • Difference between fuel-related deposits (sulphur/vanadium/ash) and oil-related deposits (lacquer/varnish)

💭 Think About

• Ask yourself: Which option directly changes the behavior and chemical stability of the lubricating oil on the piston skirt, rather than changing combustion products? • Consider which conditions typically cause varnish or lacquer (a thin, shiny film) versus heavy, abrasive carbon or ash deposits. • Think about which of the listed conditions is most closely connected to oil breakdown rather than fuel composition or mechanical impact.

✅ Before You Answer

• Identify which choices are primarily about fuel composition versus lubricating oil condition. • Recall that lacquer is a thin, hard, glossy deposit often linked to oil overheating or oxidation—verify which option best matches that mechanism. • Eliminate any choices that mainly cause corrosive wear, ash, or mechanical damage rather than a varnish-like film on the piston skirt.

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Question 1 of 205eccefa3bacbc34ba4d47ddc

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47ddc

Which of the listed conditions can cause lacquer to be deposited on a piston skirt?

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

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