(3) Casting is usually the (A) quickest way to shape a metal into a part. (B) slowest (4) Casting is used (A)mainlyforprototyping.(C)forbothprototypingandproductionoflargequantityparts.(B)mainlyforproduction (5) Parts with thin sections are usually to cast. (A) easier (B) more difficult (6) Centrifugal casting usually produces (A) denser casting than other casting processes. (B) less dense (7) Casting is only suited to ferrous metals such as cast iron. (A) True. (B) False. (8) Sand casting is which of the following types of casting process? (A) Expendable Mold. (B) Permanent Mold