1.

Which of the following standard expression is used to measure the corrosion rate of a metal?(a) Mils per year = W/DAT(b) Mils per year = 534W/DAT(c) Milligrams decimeter per day = 534W/DAT(d) Milligrams decimeter per day = W/DATThis question was addressed to me in an international level competition.The question is from Testing topic in chapter Corrosion Testing of Corrosion Engineering

Answer»

The correct choice is (b) MILS per year = 534W/DAT

To EXPLAIN: Standard expression to measure the corrosion rate in mils per year = 534W/DAT.

Where D is the density of metal, W is weight loss in milligrams, A is the AREA of exposure in sq. inches, T is TIME in hours.



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