One function of diesel engine lubricating...

Question 1 / 270705eccefa2bacbc34ba4d478e3

Question 1 of 270705eccefa2bacbc34ba4d478e3

One function of diesel engine lubricating oil is to __________.

Question 1 of 27070

One function of diesel engine lubricating oil is to __________.

🔍 Key Concepts

• Basic purpose of lubricating oil in diesel engines • Difference between lubrication, fuel injection, and combustion functions • How lubricating oil reduces wear and heat between moving parts

💭 Think About

• Which choice best describes what happens where two metal parts slide or rotate against each other in an engine? • Do any of the options confuse the job of lube oil with the job of fuel or injectors? Which ones? • Think about what engineers are trying to prevent inside an engine: is it more carbon buildup, more friction, or less of those?

✅ Before You Answer

• Make sure the option you pick clearly involves moving metal surfaces inside the engine • Eliminate any answer that mainly describes a fuel system function, not an oil system function • Ask: Does this choice help reduce friction, wear, and heat between engine parts? If not, cross it out

Question 1 of 27070

One function of diesel engine lubricating oil is to __________.

induce carbon formation on cylinder walls

improve fuel penetration in the combustion space

form a friction reducing film between mating surfaces

lubricate the fuel injectors