Question

Indicate the most appropriate processing method to make the item described below.

a. sand casting

b. die casting

c. forging

d. powder metallurgy

e. drawing

f. extrusion

g. welding

h. hot rolling

i. cold rolling

j. pressing and blowing

k. slip casting

l. powder pressing

m. firing

n. tape casting

o. thermal tempering

p. mixing with water

q. injection molding

r. melt spinning

s. wet spinning

t. dry spinning

u. dry-jet wet spinning

v. blow molding

1. 4340 alloy steel wrench

2. Hot Wheels toy car from zinc

3. round copper wire

4. aluminum window frame

5. thin down 1080 plain carbon ingot into ductile sheets

6. increase hardness of thin aluminum sheets

7. join metal components at a seam

8. make a ceramic vase (green form)

9. make a hard ceramic part from a green shape

10. increase strength of glass window

11. make gray cast iron fire hydrant

12. make concrete sidewalk from cement or gravel

13. make small alumina substrate for electronics

14. polystyrene model car kit of a Chevy Nova

15. Polypropylene fiber for carpet

16. PPTA Kevlar aramid fiber

17. MPDI Nomex aramid fiber

18. Rayon fiber for a shirt

19. sheets of poly(vinylidene chloride)

Answer 1