A-Level Unit 1.5 Enhancement of materials

Which of the following methods of dyeing are suitable for mass production?

• VAT Dyeing

• Discharge Dyeing

• Resist Dyeing

Select the correct definition of dye fastness

• The ability of a fibre to be made into a fabric and dyed during manufacture

• The ability of a fibre or fabric to quickly accept dye during the manufacturing process

• The ability of a fibre or fabric to retain dye during manufacturing processes, product use and care

Which of the following factors are considered when selecting dye?

• Washing

• Light exposure

• Perspiration

• Rubbing

Select the correct description of "desizing"

• When final products are graded to fit smaller sizes

• When the warp yarns are washed to remove size before they are woven

• When fabric is washed to remove impurities

Select the correct description of "scouring"

• Removal of fat/wax deposits using chemicals and heat to increase absorption of a fibre or fabric

• Using a scourer to remove dirt from a fabric

• Using boiling water to remove impurities from a fabric or fibre before manufacture

Which of the following statements are true?

• Bleaching makes a fabric an even colour before it is dyed.

• Wool is treated with bleach to make the colour even

• Synthetic fibres are naturally white so do not need bleaching

• Fibres can be bleached at any stage of the manufacturing process

Select the benefits of rotary screen pritning

• Cost effective

• Designs are produced using CAD, and are accurate

• Designs are printed quickly

• Complicated designs can be printed using a variety of colours

Which of the following statements are true?

• Digital printing is more suitable for shorter lengths of fabric as it is expensive

• Transfer sublimation printing is low cost and easily adaptable

• Printing can only be done on a fabric and not at the fibre stage

"Quilting has a functional and decorative purpose"

• True

• False

Select the pieces of equipment you would need for hand embroidery

• Fabric shears

• Embroidery hoop

• Needle and thread

• Sewing Machine