17. Which of the following are NOT advantages of die casting over sand casting: (A) better surface finish, (B) closer tolerances, (C) higher melting temperature metals, (D) higher production rates, (E) mold can be reused?

6. Which one of the following is the correct definition of ultimate tensile strength, as derived from the results of a tensile test on a metal specimen: (A) the stress encountered when the stress-strain curve transforms from elastic to plastic behavior, (B) the maximum load divided by the final area of the specimen, (C) the maximum load divided by the original area of the specimen, (D) the stress observed when the specimen finally fails (E) none of the above?

17. Which of the following are NOT advantages of die casting over sand casting:
(A) better surface finish,
(B) closer tolerances,
(C) higher melting temperature metals,
(D) higher production rates,
(E) mold can be reused?

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