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Food Packaging Technology
Food Packaging Technology Multiple Choice
Quiz 1
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Q.1
______ is added to aluminum alloys to reduce the coefficient of expansion.
a) Zinc
b) Chromium
c) Nickel
d) Manganese
Q.2
________ is added to aluminum alloys to increase Young’s modulus.
a) Chromium
b) Magnesium
c) Boron
d) Lithium
Q.3
Which of the following metal is not used in food packaging?
a) Aluminum
b) Iron
c) Tin
d) Chromium
Q.4
Steel and aluminum are primary materials for metal packaging.
a) True
b) False
Q.5
Beverage cans are usually produced from steel.
a) True
b) False
Q.6
________ is used as protective layer for steel.
a) Chromium
b) Aluminum
c) Boron
d) Iron
Q.7
Tin is used as a protective layer in steel.
a) True
b) False
Q.8
A metal can is a ________ package.
a) primary
b) secondary
c) tertiary
d) quaternary
Q.9
__________ is added to aluminum to improve strength of the alloy.
a) Titanium
b) Chromium
c) Magnesium
d) Tin
Q.10
The aluminum-copper alloys typically contain between ______% copper.
a) 15-30
b) 15-20
c) 10-20
d) 2-10
Q.11
Copper increases the hardness of alloys.
a) True
b) False
Q.12
_______ increases susceptibility of the alloys to Stress corrosion cracking.
a) Silicon
b) Lead
c) Iron
d) Zinc
Q.13
Chromium is added to aluminum alloy to __________
a) prevent recrystallisation
b) increase impact strength
c) increase abrasion resistance
d) prevent cracking
Q.14
Zirconium is added to aluminum to form a fine precipitate of intermetallic particles.
a) True
b) False
Q.15
Addition of ______ to aluminum improves fluidity.
a) vanadium
b) silicon
c) manganese
d) copper
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