Chemical Engineering - Chemical Engineering Basics - Discussion


Pick out the wrong statement.

[A]. Cold cracking of a weld is due to the presence of hydrogen gas in the weld.
[B]. True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively.
[C]. Phosphorous can be easily recovered in the iron blast furnace.
[D]. High residual stress at the surface is beneficial for fatigue properties of a material.

Answer: Option C


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