In permanent mold casting method __________

• A. molten metal is poured in a metallic mold, retained in the mold long enough for the outer skin to solidify and finally mold is turned over to remove molten metal still in molten condition
• B. molten metal is poured and allowed to solidify while the mold is revolving
• C. Molten metal is forced into mold under high pressure
• D. none of the mentioned