Heat treatment of castings is usually done for
A)refinement of grain structure
B)improving machinability
C)relieving internal stress
D)any of the above

Question

Quizplus · Accepted Answer

Heat treatment of castings can be done for various reasons, including the refinement of grain structure, improving machinability, and relieving internal stresses. Therefore, any of the mentioned purposes is a valid reason for conducting heat treatment on castings.

Heat Treatment of Castings Is Usually Done for