Pick out the wrong statement ?

A. High residual stress at the surface is beneficial for fatigue properties of a material

B. Phosphorous can be easily recovered in the iron blast furnace

C. Cold cracking of a weld is due to the presence of hydrogen gas in the weld

D. True stress is given by, ? = ?E (1 + ?E), where ?E and ?E are engineering stress and

E. ineering strain respectively

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.