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Industrial Processes and Medical Devices > Packaging > Flashcards

Packaging Flashcards

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USMLE® Step 1 flashcards
1
Q

Types of packaging diagram

A

See slide

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2
Q

What are matter or felted sheet usually composed of

A

Plant fibres

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3
Q

ISO stands for

A

International Standards Organisation

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4
Q

What is the weight of paper with a basis weight?

A

…

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5
Q

Fibre sources (4)

A

1
2
3
4 Mixed fibres of spruce, pine and birch

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6
Q

What is the most important characteristic of fibre

A

Fibre length

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7
Q

What can density variations of long fibres lead to? (2)

A

1 Poor absorption of ink when printing

2 Problems with adhesive bonding

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8
Q

Short fibres produce paper with (2)

A

1 smoother surfaces

2 ..

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9
Q

Recycled fibres has the characteristics of what source?

A

Original fibre source

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10
Q

What type of fibre degrades each time it is re-pulped and what does it do?

A

Recycled fibres

- reduces fibre length

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11
Q

Types of pulp methods (3)

A

1 mechanical pulping
2 chemical pulping
3 combination process

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12
Q

Mechanical pulping is the

A

…

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13
Q

What type of yield do you get from timber?

A

High yield

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14
Q

What makes the fibres in pulp hard and rigid?

A

Lignin

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15
Q

What are the five chemical pulp characteristics?

A

1

2

3

4

5 high purity yields

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16
Q

Final paper is affected by: (5)

A

1 beating of the pulp

2 forming of the fibre network

3

4

5

17
Q

Most common machine for paper making

A

Fourdrinier machine

See diagram

18
Q

Another paper making machine

A

Twin wire machine

See diagram

19
Q

Paper can be considered as an ______ material

A

Orthotropic

20
Q

Factors to consider for packaging industry management (7)

A

Raw material inflation

Reduction of waste

Capital expenditure

Operational performance measurement

Product and customer profitability management

….

21
Q

Global packaging by geography diagram

A

5%

….

22
Q

Packaging end market diagram

A

51%……

23
Q

Why important to reduce environmental impact

A

…

24
Q

Factors for manufacturing…

A

….

25
Q

The packaging and packaging waste directive ( ) stated objective

A

…..

26
Q

Universal recycling symbol

A

See diagram

Industrial Processes and Medical Devices (10 decks)

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