Card 81
Question
How can paper be loaded in laminating/packaging machine?
Answer
along the grain or perpendicular to the grain
Food Packaging
Discover Food Packaging: 308 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
308 flashcards
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Cards in this set
Card 82
Question
What type of metal is primarily used in beverage cans?
Answer
Aluminum
Card 83
Question
The third most abundant element in the earth's crust is used to make this packaging material.
Answer
Aluminum
Card 84
Question
What are the 2 metals used in drink or beverage cans?
Answer
aluminum and steel (tin-plated steel is also acceptable)
Card 85
Question
What type of packaging material is excellent at providing a barrier against oxygen and moisture, and is often used as the inner layer in aseptic cartons?
Answer
Aluminum Foil
Card 86
Question
Aseptic milk is often packaged in Tetrapak containers (often known as "juice boxes"). What is the primary barrier material in these packages?
Answer
Aluminum foil.
Card 87
Question
Why would an aluminum can be preferred over a tinplate can for the packaging of a seafood such as crab meat?
Answer
Aluminum prevents the black iron sulfide that may form in tinplate cans
Card 88
Question
What does A.S.T.M. stand for wrt packaging?
Answer
American Society for Testing and Materials
Card 89
Question
The morphology or structure of both carbohydrate and plastics polymers (such as used for food packaging) can be divided into which two categories?
Answer
Amorphous or crystalline
Card 90
Question
What does the term “hermetic seal” mean in packaging?
Answer
An airtight seal that prevents entry of gases or microorganisms
Card 91
Question
In what type of processing is H2O2 used as a residual sterilant?
Answer
Aseptic Packaging
Card 92
Question
How are potato chips protected from physical damage?
Answer
Bags are nitrogen-flushed
Card 93
Question
Give an example of a flexible package.
Answer
Bags, pouches, wrappers, ziplock, and shrink films
Card 94
Question
Why is stannous chloride added to canned tomatoes?
Answer
Because people are used to the "tin taste" from the good ole days when cans were made of tin
Card 95
Question
What is the name given to the propylene polymer produced by being stretched both in and across machine direction?
Answer
Bi-axially oriented polypropylene
Card 96
Question
What does BPA stand for?
Answer
Bisphenol A
Card 97
Question
How are corrugated boards classified?
Answer
Board grade (strength and suitability in different applications) , Linerboard (Kraft, Recycled, and White) and type of fluting (A, B, C, E, etc)
Card 98
Question
What toxic chemical may be found in packages made from recycled paper?
Answer
BPA (Bisphenol A)
Card 99
Question
Give the name of the package most commonly used for UHT milk.
Answer
Brik pak or tetra pak
Card 100
Question
What is the can defect that results from too high internal can pressure?
Answer
Buckling
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