What material is most commonly used as a...

Question 1 / 2066636eee28f7522a1c51ed77

Question 1 of 2066636eee28f7522a1c51ed77

What material is most commonly used as a sacrificial anode for the purposes of minimizing the galvanic corrosion of steel and cast iron?

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Question 1 of 20

66636eee28f7522a1c51ed77

What material is most commonly used as a sacrificial anode for the purposes of minimizing the galvanic corrosion of steel and cast iron?

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🔍 Key Concepts

• Galvanic corrosion and how a "sacrificial" metal protects steel or iron • The galvanic series in seawater (which metals are more active vs more noble) • Typical hull and tank protection systems used on steel ships and barges

💭 Think About

• Ask yourself: should a sacrificial anode metal be more active (less noble) or more noble than steel in the galvanic series? • Look at the choices and decide: which metals here are usually valued for being corrosion‑resistant vs for being willing to corrode first to protect steel? • Think about what you actually see bolted to the hulls and rudders of steel vessels, or on outdrives and shafts, specifically labeled as sacrificial anodes.

✅ Before You Answer

• Verify which of the listed metals is commonly sold and installed specifically as sacrificial anodes on steel hulls, rudders, and propeller shafts. • Eliminate metals that are typically used for strength, conductivity, or corrosion resistance, rather than for being consumed to protect other metals. • Confirm that the correct choice is a metal that is less noble than steel in seawater, so it will corrode instead of the steel.

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Question 1 of 20

What material is most commonly used as a sacrificial anode for the purposes of minimizing the galvanic corrosion of steel and cast iron?

Platinum

Brass

Zinc

Bronze

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Question 1 / 2066636eee28f7522a1c51ed77

Question 1 of 2066636eee28f7522a1c51ed77

What material is most commonly used as a sacrificial anode for the purposes of minimizing the galvanic corrosion of steel and cast iron?

Back

Question 1 of 20

66636eee28f7522a1c51ed77

What material is most commonly used as a sacrificial anode for the purposes of minimizing the galvanic corrosion of steel and cast iron?

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