Which of the following is/are the environments that cause stress-corrosion cracking to titanium?(a) Red fuming nitric acid(b) Methanol-HCl(c) Nitrogen tetroxide (N2O4)(d) Red fuming nitric acid, methanol-HCl, and nitrogen tetroxideI had been asked this question in unit test.This intriguing question comes from Eight Forms topic in division Eight Forms of Corrosion of Corrosion Engineering

Which of the following is/are the environments that cause stress-corro

1.	Which of the following is/are the environments that cause stress-corrosion cracking to titanium?(a) Red fuming nitric acid(b) Methanol-HCl(c) Nitrogen tetroxide (N2O4)(d) Red fuming nitric acid, methanol-HCl, and nitrogen tetroxideI had been asked this question in unit test.This intriguing question comes from Eight Forms topic in division Eight Forms of Corrosion of Corrosion Engineering
Answer» The correct choice is (d) Red fuming NITRIC acid, methanol-HCl, and nitrogen tetroxide To EXPLAIN I would say: Stress-CORROSION cracking is the simultaneous action of stress and corrosive environment on a metal. Red fuming nitric acid, methanol-HCl, and nitrogen tetroxide are the environments that may cause stress-cracking corrosion.

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