Please answer all questions 1. The item shown to the right was probably made by

Q: Please answer all questions 1. The item shown to the right was probably made by

1. b) Closed die forging : It utilizes pressure to compress the metal piece to fill an enclosed die impression. A medium frequency induction heating furnace is used to heat the metal to get the desired shapes. So we will get above desired shape by closed die forging.

ID: 2088934 • Letter: P

Question

Please answer all questions 1. The item shown to the right was probably made by a. Extrusion b. Closed-die forging c. Open-die forging d. Rolling IRST STATE 2. Which is TRUE of drawing? 1999 Cast iron is a common die material a. b. c. d. There is a limit to the wire diameter reduction in one pass The applied load is greater than the FS The material is pushed through the die 3. Which of the following polymers is most easily recycled? a. Elastomer 6 Thermoset c. Thermoplastic d. Epoxy 4. The final strength of a composite material depends on which of the following? a. The properties of the individual components b. The orientation of the various components c. The ratio of the individual components to each other d. All of the above You endow a scholarship with a $500,000 donation. If the annual interest rate is 4%, what is the amount of the annual scholarship that can be awarded, without depleting the original fund? 5. a $16,000 b. $12,500,000 c $20,000 d. There is not enough information to determine the answer 6. Which of the following are NOT components used in the deep drawing processes? a. Punch b. Die Blankholder d. Chill block 7. Which is FALSE with respect to polymers? a. Thermosets exhibit reversible softening b. Crosslinking increases strength C. PETE is easy to recycle Injection molding dies are one of the main costs associated with injection molding d. Convert the adjacent cash flow diagram into a present worth value. The interest rate is 6% per year, compounded quarterly 8. 500 a $21.74 94Quarters b $78.76 c. $921.24 100 100 100 100 100 d. $0

Explanation / Answer

1. b) Closed die forging : It utilizes pressure to compress the metal piece to fill an enclosed die impression. A medium frequency induction heating furnace is used to heat the metal to get the desired shapes. So we will get above desired shape by closed die forging.

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Please answer all questions 1. The item shown to the right was probably made by

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