Brian Cherry 3MT 2023

Corrosion is primarily driven by the flow of...

• Electrons

• Ions

• Heat

• Pressure

One of these things is not like the others!

...one of these things just doesn't belong.

• Sapphire

• Ruby

• Topaz

• Alumina

Which metal/alloy is the most electronegative of this group (in seawater at room temperature)?

• Bronze

• Grade 430 Stainless Steel

• Cast iron

• Titanium

Corrosion of steel is not accelerated by

• Increasing temperature

• Increasing pH

• Increasing electrolyte conductivity

• None of the above

What metal does this Pourbaix diagram belong to?

• Mg

• Cu

• Al

• Fe

In what year was hot dip galvanising patened?

• 1901

• 1750

• 1836

• 1935

In the early 1900s it was found that oxygen was the main protagonist of corrosion. Before this, what was thought to be the culprit?

• Acidic solutions

• Alkaline solutions

• Foul humours

• Salt

Who wrote the following?

"I were better to be eaten to death with a rust than to be scoured to nothing with perpetual motion."

• William Shakespeare

• Edgar Allan Poe

• George Orwell

• Charles Dickens

In a world of metals, I dictate their fate,

I rank them in order, their reactions I orchestrate.

From noble to reactive, I create a hierarchy,

In electrochemical battles, I reveal the victor's story.

What am I?

Poor design can exacerbate corrosion. Which one of these is an example of good design?

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