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Which of the following industries has a major concern on hydrogen blistering?

(a) Petroleum industry

(b) Chemical manufacturing industries

(c) Oil and natural gas refineries

(d) Oil and natural gas refineries, petroleum and chemical manufacturing industries

I had been asked this question in a national level competition.

The above asked question is from Eight Forms in portion Eight Forms of Corrosion of Corrosion Engineering

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The correct choice is (d) Oil and natural gas refineries, petroleum and chemical manufacturing industries

Explanation: Hydrogen blistering refers to the local deformation of a metal due to the entrapment of hydrogen molecules in the metal voids.

Industries that have a major concern on hydrogen blistering are:

Petroleum industry

Chemical manufacturing industries

Oil and natural gas refineries

Welding workshops.

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