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Module 6. Materials & hardware
Spilled mercury on aluminium
•  increases susceptibility to hydrogen embrittlement
•  may cause impaired corrosion resistance if left in prolonged contact.
•  causes rapid and severe corrosion in prolonged contact.

cpster asking:
•  Why not the third option is correct ???

Community comments: 3
dimky
Posts: 511
31.01.2014 / 14:12
Actually both answers can be correct.
If you selected third one, you are also correct.
rwm1273
Posts: 4
05.10.2016 / 02:56
The FAA consider mercury to be a cause of hydrogen embritlement.
Diverdeep
Posts: 8
14.03.2023 / 23:45
cause degradation of the structure. the only thing sure is that this statement can't be true (may cause impaired corrosion resistance if left in prolonged contact) because mercury can't increase (cause corrosion resistance) if in contact with alu or alu alloy. see: http://youtu.be/IrdYueB9pY4
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