ME 383 Test 2 Questions with Detailed Verified
Answers for Accuracy
Quiz: Expendable mold processes⼀Answer: mold is sacrificed
to remove part
Quiz: Permanent mold processes⼀Answer: mold is made of
metal and can be used to make many castings
Quiz: Examples of expendable mold processes⼀Answer:
shell molding
expanded polystyrene
investment casting
plaster mold
ceramic mold
Quiz: shell molding⼀Answer: Casting process in which the
mold is a thin shell of sand held together by thermosetting resin
, ACCURACY IS GUARANTEED
Quiz: expanded polystyrene⼀Answer: uses a mold of sand
packed around polystyrene foam pattern which vaporizes when
molten metal is poured into mold
Quiz: investment casting⼀Answer: A pattern made of wax
is coated with a refractory material to make the mold, after
which wax is melted away prior to pouring molten metal
Quiz: plaster mold casting⼀Answer: similar to sand casting
except mold is made of plaster of paris
Quiz: ceramic mold casting⼀Answer: similar to plaster-
mold casting, except that the mold is made of refractory
ceramic materials that can withstand higher temperatures than
plaster
Quiz: Examples of permanent mold casting processes⼀
Answer: basic permanant mold casting
die casting
centrifugal casting