In an operating diesel engine, which of the...

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Question 1 of 205eccefa2bacbc34ba4d47a2b

In an operating diesel engine, which of the following is true concerning a tube and shell type jacket water heat exchanger?

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5eccefa2bacbc34ba4d47a2b

In an operating diesel engine, which of the following is true concerning a tube and shell type jacket water heat exchanger?

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🔍 Key Concepts

• Tube and shell heat exchanger flow paths for jacket water and seawater • Purpose of maintaining relative pressures between fresh water and sea water sides • Proper use and protection of zinc anodes (sacrificial anodes) in seawater systems

💭 Think About

• Think about which fluid you want inside the tubes versus around the tubes in case of a leak. Which one is easier/cheaper to lose and less damaging if it contaminates the other? • If there is a pinhole leak between the fresh water and sea water sides, which side should be at higher pressure to avoid contaminating the engine’s closed cooling system? • What is the job of zinc anodes in contact with seawater, and would painting them help or prevent them from doing that job?

✅ Before You Answer

• Confirm the normal flow arrangement: which side (fresh vs sea water) is usually put through the tubes in marine service and why • Verify the pressure relationship that protects the jacket water system from seawater contamination • Recall that zinc anodes must be exposed metal to work; anything that insulates them from the water stops them from sacrificing themselves

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Question 1 of 205eccefa2bacbc34ba4d47a2b

In an operating diesel engine, which of the following is true concerning a tube and shell type jacket water heat exchanger?

Back

Question 1 of 20

5eccefa2bacbc34ba4d47a2b

In an operating diesel engine, which of the following is true concerning a tube and shell type jacket water heat exchanger?

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