Which of the following defects occur due to the entrapment of gas bubbles by the freezing dendrites during the cooling of molten pad?
A)inclusion of slag
B)inadequate penetration
C)incomplete fusion
D)porosity

Question

Quizplus · Accepted Answer

Porosity in castings or welds occurs due to the entrapment of gas bubbles by the freezing dendrites during the cooling of the molten pad. This results in small cavities or pores within the material, which can weaken the structure and affect its integrity.

Which of the Following Defects Occur Due to the Entrapment