Card 41
Question
Which is the most used flexible packaging or wraps in food packaging? a) LDPE; b) HDPE; c) PET; d) PS
Answer
A) LDPE
Food Packaging
Discover Food Packaging: 308 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
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Cards in this set
Card 42
Question
Out of these four materials, which is the best water barrier? a) LDPE; b) HDPE; c) PET; d) PVC
Answer
b) HDPE
Card 43
Question
Vacuum packaging and sealing is used to: A. increase the amount if air in the package, B. decreases the length of time meat can be kept, C. eliminates most of the air from a package in order to make it airtight, or D. none of the above?
Answer
C. eliminates most of the air from a package in order to make it airtight
Card 44
Question
Epoxidized oils serve as stabilizers in packaging materials when: A. exposed to air, B. they contain liquid foods, C. heated or exposed to UV light, or D. under mechanical stress
Answer
C. heated or exposed to UV light
Card 45
Question
Which is the most used plastic in food packaging? a) LDPE; b) HDPE; c) PET; d) PS
Answer
C) PET
Card 46
Question
Out of these four materials, which is the best oxygen barrier? a) LDPE; b) HDPE; c) PET; d) PVC
Answer
c) PET
Card 47
Question
Which of the following is NOT part of a can's double seam? a. cover hook; b. body hook; c. overlap; d. cover slip
Answer
d. cover slip
Card 48
Question
Which can size is the largest: No. 3 vacuum, No. 10, or No. 303?
Answer
No. 10 (The three names are common names for cans 404x307, 603x700, and 303x406, respectively)
Card 49
Question
In the usage of numbered recycling symbols, what number is used to represent PET?
Answer
1
Card 50
Question
What size is the standard GMA (Good Manufacturing Association) pallet?
Answer
48 in. x 40 in.
Card 51
Question
Name the plastic that was used in McDonald's clamshells before the company stopped using them.
Answer
(Expanded) polystyrene
Card 52
Question
In packaging terms, a "mil" is used as the unit of thickness for packaging material. One mil is equal to what fraction of an inch?
Answer
0.001 inch = 1 mil
Card 53
Question
How thick is 16-point paperboard?
Answer
0.016 inches
Card 54
Question
What is the thickness of a 20 points paperboard carton?
Answer
0.02 inches (1 point= 1/1000 inch)
Card 55
Question
What is the water activity for minimal problems in a package?
Answer
0.85
Card 56
Question
How many seams are in 2 piece and 3 piece cans, respectively?
Answer
1 and 2, respectively. The two-piece can has a single double seam at the top, while the three-piece can has a seam at the top (double seam) and a side seam
Card 57
Question
Name the two broad types of film packages.
Answer
1. Nonforming film; 2. Forming film (or thermo-set and thermo-plastic)
Card 58
Question
What are the dimensions of 211 can?
Answer
2-A "211" can typically has a diameter of 2-11/16 inches (2.6875 inches) and a height that varies depending on the specific can size, ranging from 1-6/16 inches (1.375 inches) to 4-13/16 inches (4.812 inches).
1/16 inches diameter and height varies
Card 59
Question
The wall of a plastic container is 1/50 inch thick. How many mils thick is this?
Answer
20 mils
Card 60
Question
If a can has a size designation of 211 x 212, what are its dimensions?
Answer
211 = can diameter of 2 and 11/16 inches; 212 = can height of 2 and 12/16 inches
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