Zinc anodes are installed in a marine sea...

Question 1 / 205eccef9bbacbc34ba4d455fe

Question 1 of 205eccef9bbacbc34ba4d455fe

Zinc anodes are installed in a marine sea water heat exchanger cooling system to ________.

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Question 1 of 20

5eccef9bbacbc34ba4d455fe

Zinc anodes are installed in a marine sea water heat exchanger cooling system to ________.

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🔍 Key Concepts

• Sacrificial anodes and how they protect metal in seawater systems • Difference between corrosion, electrolysis, and scaling • What happens electrically when dissimilar metals are in salt water

💭 Think About

• Ask yourself: What is the main purpose of a zinc anode when it is attached to metal parts in contact with seawater? Which metal is intended to be ‘sacrificed’? • Think about which process involves an electrical/galvanic reaction between metals in a conductive liquid like seawater. • Consider which of the options describes a process that can be fully stopped versus one that is managed or reduced by using zinc.

✅ Before You Answer

• Recall that zinc is a more active (less noble) metal than steel, bronze, etc. How does that affect which metal corrodes first? • Distinguish between scaling (mineral deposits), oxidation (chemical reaction with oxygen), and electrical/galvanic action in seawater. • Decide whether zinc anodes realistically eliminate all corrosion, or whether they control/redirect a specific kind of damaging action.

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Question 1 of 20

Zinc anodes are installed in a marine sea water heat exchanger cooling system to ________.

inhibit oxidation

control electrolysis

prevent scaling

eliminate corrosion

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Question 1 / 205eccef9bbacbc34ba4d455fe

Question 1 of 205eccef9bbacbc34ba4d455fe

Zinc anodes are installed in a marine sea water heat exchanger cooling system to ________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d455fe

Zinc anodes are installed in a marine sea water heat exchanger cooling system to ________.

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