Which of the following effects will...

Question 1 / 205eccefa3bacbc34ba4d47db6

Question 1 of 205eccefa3bacbc34ba4d47db6

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

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5eccefa3bacbc34ba4d47db6

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

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🔍 Key Concepts

• Function of lube (lubricating) oil in a diesel engine, especially during starting • How temperature affects viscosity (thickness) of lubricating oil • The difference between problems caused by fuel oil issues vs. lube oil issues

💭 Think About

• Think about what happens to the thickness (viscosity) of lube oil when it is very cold. How would this affect moving parts during cranking? • Which of these choices sounds more like a fuel system problem rather than a lube oil problem? Eliminate those first. • During engine start, what condition would make it harder for the engine to turn over and fire, if the oil is thick and sluggish?

✅ Before You Answer

• Identify which options describe symptoms of a fuel system issue and which describe a mechanical resistance / friction issue. • Ask yourself: Does cold, thick lube oil tend to make moving parts easier or harder to move? Which option matches that effect? • Verify which option describes a problem occurring right at starting/cranking, when oil is coldest and has not yet circulated fully.

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Question 1 of 20

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

The cooling system will overheat causing the engine to stall.

The engine will overspeed when started.

The fuel oil supply will become diluted resulting in rough running.

The engine will crank slowly and may fail to start.

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Question 1 / 205eccefa3bacbc34ba4d47db6

Question 1 of 205eccefa3bacbc34ba4d47db6

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47db6

Which of the following effects will excessively cold lube oil have on the operation of a diesel engine?

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?

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