Improper cooling of a diesel engine cylinder...

Question 1 / 270705eccefa2bacbc34ba4d47a45

Question 1 of 270705eccefa2bacbc34ba4d47a45

Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause __________.

Question 1 of 27070

Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause __________.

🔍 Key Concepts

• heat transfer and cooling between the cylinder liner and cooling water • effect of scale deposits on liner temperature • how overheating affects piston, rings, and lubricating oil film

💭 Think About

• If the liner runs hotter than normal, which part (compression, wear, or oil use) is most directly affected first? • How does a reduced cooling effect change the behavior of the lubricating oil film between piston/rings and liner? • Which choice best represents a long‑term mechanical consequence of an overheated liner surface, rather than a secondary/indirect effect?

✅ Before You Answer

• Be clear on how scale deposits reduce cooling efficiency and raise metal temperature. • Think about which option is the most direct mechanical result of metal overheating at the liner surface. • Eliminate any options that sound like they would come from loss of compression alone, not from overheating and lubrication breakdown.

Question 1 of 27070

Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause __________.

low compression pressure

increased piston wear

increased cylinder lube oil consumption

poor contact between compression rings and liner