Metal inserts in the walls of a sand mold cavity designed to remove heat from the molten metal more rapidly than the surrounding sand are called which one of the following:
A)external chills
B)internal chills
C)pipes
D)sprues

Question

Quizplus · Accepted Answer

External chills are metal inserts placed in the mold cavity to absorb heat and promote faster solidification of the molten metal, enhancing the cooling process.

Metal Inserts in the Walls of a Sand Mold Cavity