Podcast
Questions and Answers
Which function does engine oil play?
Which function does engine oil play?
- 2. Cleaning function
- 4. Rust preventive function
- 1. Lubrication function (correct)
- 3. Sealing function
What happens if engine oil is not changed?
What happens if engine oil is not changed?
- The engine becomes more powerful
- The engine becomes harder to start (correct)
- The engine becomes quieter
- The engine becomes more efficient
Why does engine oil turn black?
Why does engine oil turn black?
- It absorbs heat
- It oxidizes
- It removes dirt and sludge inside the engine (correct)
- It reacts with the fuel
Why does engine oil amount decrease even under normal conditions?
Why does engine oil amount decrease even under normal conditions?
How should engine oil replacement be determined?
How should engine oil replacement be determined?
Flashcards
Engine oil function
Engine oil function
Reduces friction between moving parts in the engine.
Effect of not changing engine oil
Effect of not changing engine oil
The engine becomes harder to start due to increased friction and wear.
Why engine oil turns black
Why engine oil turns black
Engine oil turns black because it cleans dirt and sludge inside the engine. This is normal.
Why engine oil decreases
Why engine oil decreases
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Determining oil replacement
Determining oil replacement
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