33. The general . term used to refer to a break in the metallic continuity of the part being tested is: a . discontinuity b. crack c. seam d. lap

a

The question is asking for the general term used to refer to a break in the metallic continuity of the part being tested. The options provided are:1. discontinuity2. crack3. seam4. lapAmong the given options, "discontinuity" is the most general term used to describe a break or interruption in the metallic continuity of a material or component being tested. While "crack" is a specific type of discontinuity, it refers to a fracture or split in a material. "Seam" and "lap" are not terms typically used to describe breaks in metallic continuity. Therefore, the correct answer is "discontinuity" (option a).