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40 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Natural fibres |
From animals and plants Example: cotton,silk worms and wool |
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Regenerated fibres |
Made from natural fibres but chemically treated Example: viscose |
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Synthetic fibres |
Man made Example: polyester |
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How are natural fibres turned into yarn |
1. Fibres are harvested 2. Fibres are cleaned 3. Fibres are straightened 4. Fibres are spun |
H C S S |
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Staple fibres |
Short |
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Filament fibres |
Long |
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Give two properties of natural fibres which make them suitable for this use e.g garage mechanics |
1.easy to clean 2.hard wearing |
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Describe the process of manufacturing synthetic fibres |
Polymers are melted and then dissolved in solution. The liquid is then forced through small holes which makes it harder to form a filament fibre. |
Melted Dissolved Forced Harder |
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Sustainable |
Can be used without causing permanent damage. |
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Evaluate the use of natural fibres and synthetic fibres for this clothing range e.g clothes that are resistant to moths. |
The natural fibres are more sustainable and are a renewable source. They are biodegradable and recyclable but poor resistance to biologic damage e.g moths.
Synthetic fibres are not renewable and are not biodegradable but have good resistant against moths. |
Sustainable Biodegradable Poor Opposite Good |
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Why do designers choose fabrics made from regenerated fibres |
- could be cheaper - can be recycled - can be resistant to chemicals |
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Why are cotton clothing good for winter |
Knifed fabrics are good for insulators as the loops trap the air and stretch more than woven fabrics. |
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Give two differences between the properties of weft-knitted fabrics and warp-knitted fabrics |
Weft-knitted is stretchy but lose the shape more easily. Warp-knitted is stretchy but keep their shape |
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Which fabric is best for swimwear |
Warp because it will stretch and keeps it shape. |
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What are the advantages and disadvantages of non-woven fabrics |
Advantages -don't frail -cut in ant direction Disadvantages -don't stretch -not very strong |
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Name each type of woven |
Twill Satin Plain |
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Lycra is a fabric used for leggings Name the fibre use for lycra |
Elastane |
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Mass production |
Made a lot of |
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Underwear is made from 100% viscose fabric Why the manufacture has chosen this fabric |
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Smooth All day Cheap Easy Wash |
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Give three properties of a fabric made from 100% lycra |
Elastic Hard wearing Light weight Resistant to sun |
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Give two disadvantage of using viscose for underwear |
Not hard wearing Creases easily |
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What do these symbols mean |
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What is alryic |
- produced from oil -similar to wool -strong -soft and warm -not very absorbent -highly flammable -used in fake fur |
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State the fibres used to make these fabrics A) denim B) gabardine C) chiffon |
Denim - cotton Gabardine - wool Chiffon - silk |
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Why is polyester is often used to make night clothes |
Its got good elasticity which helps it make it more comfortable Low flammability for safety |
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Weft-knitted fabrics |
The yarn runs across |
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Warp-knitted fabrics |
The yarn runs up |
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Describe what is meant by selvedge on a woven fabric. |
Its where the weft yarn wraps around the warp yarns at the edge of the fabric |
Weft Wraps Warp Edge |
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What is CAD/CAM |
computer aided design which involves designing products on a computer which contains 2D painting software,2D drawing software and 3D modelling software. |
Painting Drawing Modelling
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Why do we use cad cam |
-produce mood boards -draw and annotate your finial design ideas |
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Give two ways you can use CAD to help you produce design ideas? |
To produced mood boards and to design fabric decoration |
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Explain what is meant by smart fabric |
A smart fabric reacts automatically to changes in the surroundings |
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Define 'fit for purpose' |
Does the job its designs to do. |
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How much garments be dried |
They should be reshaped and laid out flat while damp. This is so they don't stretch |
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Why do some garments must be dry cleaned rather than wash conventionally? |
Some fabrics lose there shape when they absorb water should be dry cleaned. |
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What are the advantages of using chemical dyes over natural ones? |
They're cheaper and the colours are brighter and more consistent |
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