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This question belongs to Metallurgical Engineering Electrometallurgy And Corrosion

Electrometallurgy and Corrosion

?

When P-B ratio is less than 1

A) Insufficient oxide to cover the metal B) Tensile stress develops in the oxide film C) Causing the film become porous and unprotective D) All are correct

Answer & Solution

Correct Answer: Option D

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Question posted by Examveda

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