engineering recuitment UPPSC AE Mock Test 2024 Production Engineering (Manufacturing) Metal Casting Casting Defects
Sand wash is a casting defect which
1
results in a mismatching of the top and bottom parts of the casting
2
is due to enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting
3
occurs near the ingates as rough lumps on the surface of the casting
4
is due to a thin projection of metal not intended as a part of the casting