Swell is a defect in castings due to
A)Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting
B)Working on cooling
C)Moisture in moulding sand
D)Thin projection of casting due to gap between flasks
E)Mis-mathcing of mould at the parting line

Question

Quizplus · Accepted Answer

Swell in castings is caused by the enlargement of the mould cavity due to metal pressure, leading to a partial or overall enlargement of the casting. This defect occurs when the force of the molten metal pushes against the mould walls, causing them to expand slightly and create a casting that is larger than intended.

Swell Is a Defect in Castings Due to