Preventing rusting by using sacrificial protection

1 mark · Normal

Which structure is commonly protected using sacrificial anodes made of zinc or magnesium?

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Correct option: Underground oil pipeline

Common mistakes: Selecting aluminium can or plastic bottle.

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Marking points

B1 · 1 mark · Chooses 'Underground oil pipeline'.

Worked solution

Structures like underground oil pipelines are protected using sacrificial anodes.