Using a cooling water temperature of 225°F...

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Question 1 of 205eccefa2bacbc34ba4d47a24

Using a cooling water temperature of 225°F (107.2°C), instead of 180°F (82.2°C), in an auxiliary diesel engine will __________.

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Question 1 of 20

5eccefa2bacbc34ba4d47a24

Using a cooling water temperature of 225°F (107.2°C), instead of 180°F (82.2°C), in an auxiliary diesel engine will __________.

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🔍 Key Concepts

• Cooling water temperature vs. scale formation in jacket water systems • Effects of cooler cylinder surfaces on sulfuric acid formation from fuel sulfur and water vapor • Relationship between engine thermal efficiency and cooling water temperature

💭 Think About

• Think about what happens to mineral scale formation when metal and water temperatures are higher or lower. Does hotter water cause more or less scale? • Consider how sulfur in fuel combines with water to form sulfuric acid. Are cooler or hotter metal surfaces more likely to let this acid condense and attack the metal? • How does raising jacket water temperature generally affect engine efficiency and heat rejection? Would that normally raise or lower specific fuel consumption?

✅ Before You Answer

• Verify how scale typically forms in boilers and cooling systems in relation to temperature. • Recall that sulfuric acid condensation in exhaust and cylinder areas is related to low metal temperatures and dew point of the gases. • Consider whether smaller water passages are a design outcome or an operational result of changing water temperature in an already-built engine.

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Study

Question 1 of 205eccefa2bacbc34ba4d47a24

Using a cooling water temperature of 225°F (107.2°C), instead of 180°F (82.2°C), in an auxiliary diesel engine will __________.

Back

Question 1 of 20

5eccefa2bacbc34ba4d47a24

Using a cooling water temperature of 225°F (107.2°C), instead of 180°F (82.2°C), in an auxiliary diesel engine will __________.

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?

Quick actions

— No credit card needed