Card 101
Question
What is a hard swell?
Answer
Bulged ends of the can cannot be compressed by the fingers.
Food Packaging
Discover Food Packaging: 308 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
308 flashcards
No ratings yet
0 views
Add to my sets
Sign in to add this set to your collection. You will return here afterwards.
Cards in this set
Card 102
Question
Which test measures seal integrity in flexible packages?
Answer
Burst test.
Card 103
Question
How may the seam tightness of a can be judged visually?
Answer
By the degree of wrinkling of the cover hook.
Card 104
Question
Give an example of a rigid package.
Answer
Can
Card 105
Question
Are more metal cans or glass bottles used in the food packaging industry annually?
Answer
Cans (Appx. twice as many cans are used as bottle, 1974-1980 data)
Card 106
Question
What gas is most commonly used in modified atmosphere packaging to inhibit microbial growth?
Answer
Carbon dioxide
Card 107
Question
Apart from carbon dioxide, oxygen, and nitrogen, which other gas is allowed in some countries for MAP?
Answer
Carbon Monoxide
Card 108
Question
What is the can defect that would result from too large a headspace?
Answer
Case separation/ Case rupture
Card 109
Question
What are springers, flippers, and hard swells?
Answer
Categories of swollen cans
Card 110
Question
Which was the 1st clear plastic packaging material used in food?
Answer
Cellophane
Card 111
Question
Name the packaging material made out of cellulose.
Answer
Cellophane (paper is acceptable too)
Card 112
Question
Name the first synthetic packaging material used as a food wrapper and how it is derived.
Answer
Cellophane. Chemically derived from cellulose fiber (wood).
Card 113
Question
What is the major constituent of cellophane?
Answer
Cellulose
Card 114
Question
On a food packaging, what does a circle with 'U' inside indicate?
Answer
Certified Kosher
Card 115
Question
Why did the 2-L bottle come out before the 355-mL?
Answer
Cheaper
Card 116
Question
Substantial increases in the shelf-life of meat products can be obtained by using modified atmosphere packaging to control spoilage caused by aerobic psychrophiles. What consumer problem, resulting the absence of what chemical compound, limits the use of this technique?
Answer
Cherry-red oxymyoglobin is not allowed to form, and the meat is not the color normally seen by consumers.
Card 117
Question
The first FDA approved use of recycled plastic in food packaging was a program to use 25% recycled plastic in bottles containing what product?
Answer
Coca-Cola
Card 118
Question
What is the new packaging laminate forming technique combining two or more different plastics?
Answer
Coextrusion
Card 119
Question
What type of packaging utilizes multiple polymer layers bonded together for improved properties?
Answer
Coextrusion
Card 120
Question
Explain/ define laminate packaging.
Answer
Combination of two or more layers of packaging materials that produce a film with a combined characteristics of each component made by: extrusion (molten material) and adhesion (layers glued together)
How to use this set
Read the preview and check whether the content and answers suit your learning goal. You can add the public set to your sets to study it. Your account shows the available actions.