PKG 221 ACTUAL FINAL PAPER UPDATED QUESTIONS AND ANSWERS GRADED A+

PKG 221 ACTUAL FINAL PAPER UPDATED QUESTIONS
AND ANSWERS GRADED A+
✔✔Mechanization of the can making introduce the _______ method to attach the two
ends and then soldered

a) soldering
b) crimping
c) melting
d) gluing - ✔✔b) crimping

✔✔The crimping method
to attach the two ends and then soldered, this is called _____
seaming, and it was patented in 1896

a) triple
b) single
c) double
d) hidden - ✔✔c) double

✔✔Newer production method introduce the _____-piece can by eliminating side seam
and one end seam

a) three
b) one
c) four
d) two - ✔✔d) two

✔✔The two piece can produced by Drawing and _______ process made possible the
use of Al since this metal cannot be soldered or weld.

a) Ironing
b) Molding
c) Forming
d) Sealing - ✔✔a) Ironing

✔✔True or False:
Two piece cans dominate the beverage industry. - ✔✔True

✔✔True or False
Drawing and Ironing process raised the cost of can production - ✔✔False

**lowered

,✔✔Improvements are developed by necking-____ operation, (reduction of the diameter
of the top of the can), so the can requires smaller ends.

a) in
b) out
c) up
d) down - ✔✔a) in

✔✔Necking-in resulted in significant cost _____

a) losings
b) savings - ✔✔b) savings

✔✔Originally production was ____ cans/min. Today the production can be up to _____
cans/min - ✔✔

✔✔a) 10, 2000
b) 15, 3500
c) 10, 2500
d) 15, 4000 - ✔✔c) 10, 2500

✔✔What are two types of metal materials?

a) steel only
b) aluminum & ceramics
c) cermaics & nickle
d) steel & aluminum - ✔✔d) steel & aluminum

✔✔True or False
Metal has high strength-to-weight - ✔✔True

✔✔True or False
Metals have high stiffness - ✔✔True

✔✔True or False
Metals have a low toughness - ✔✔False

**high

✔✔True or False
Metals have a low hardness - ✔✔True

✔✔True or False

, Metals are brittle - ✔✔False

**ductile

✔✔Metals have a ____ corrosion resistance

a) low
b) medium
c) high - ✔✔b) medium

✔✔Metals have a _____ thermal conductivity

a) low
b) medium
c) high - ✔✔c) high

✔✔Metals have a _____ electrical conductivity

a) low
b) medium
c) high - ✔✔c) high

✔✔True or False
Metals have a high permeability - ✔✔False

**low

✔✔True or False
Metals have a low machinceability - ✔✔False

**high

✔✔True or False
Metals have a high reusability - ✔✔True

✔✔True or False
Metals have a low cost - ✔✔False

**high

✔✔_______ is a measure of how easy it is to stretch or bend a material

a) stiffness
b) toughness