Differentiate BETWEEN Destructive tests and Non-destructive tests – NABTEB QUESTION

Destructive tests are those tests carried out with the joint destroyed by bending, cutting or application of chemical e.g. microscopic, macroscopic, chemical, tensile e.t.c.

Non – destructive tests are carried out without causing any damage to the metal e.g. visual inspection, ultrasonic test, application of penetrant fluid e.t.c.