Which of the following is/are the preventions of stress-corrosion cracking?(a) Lowering working stress below the threshold value(b) Shot peening to produce residual compressive stresses(c) Applying for cathodic protection(d) Lowering working stress below the threshold value, shot peening to produce residual compressive stresses and applying for cathodic protectionI had been asked this question during an interview.The above asked question is from Eight Forms in division Eight Forms of Corrosion of Corrosion Engineering

Which of the following is/are the preventions of stress-corrosion crac

1.	Which of the following is/are the preventions of stress-corrosion cracking?(a) Lowering working stress below the threshold value(b) Shot peening to produce residual compressive stresses(c) Applying for cathodic protection(d) Lowering working stress below the threshold value, shot peening to produce residual compressive stresses and applying for cathodic protectionI had been asked this question during an interview.The above asked question is from Eight Forms in division Eight Forms of Corrosion of Corrosion Engineering
Answer» The CORRECT answer is (d) Lowering working stress below the threshold value, shot peening to produce residual compressive stresses and applying for cathodic protection For explanation: METHODS to prevent stress-corrosion CRACKING are: i. Lowering working stress below the threshold value ii. Shot peening to produce residual compressive stresses iii. Applying cathodic protection to the structure iv. Adding inhibitors to the system v. ELIMINATING the critical environment SPECIES.

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