Which of the following is a cause of erosion?

A. The removal of metal as a result of a chemical reaction within a process fluid
B. The removal of metal by impingement caused by an abrasive and/or high-velocity fluid stream
C. Improper material of construction employed in the heat exchanger tube bundle
D. Internal wear on a pump that reduces the performance


A. Incorrect. Corrosion is the removal of metal as a result of a chemical reaction within a process fluid or other material.
B. Correct. Erosion is the removal of metal by impingement caused by an abrasive and/or high-velocity fluid stream.
C. Incorrect. Erosion is the removal of metal by impingement caused by an abrasive and/or high-velocity fluid stream.
D. Incorrect. Erosion is the removal of metal by impingement caused by an abrasive and/or high-velocity fluid stream.

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