DP DT Topic 4.4

What does the term additive mean?

• When material is taken away to make a product.

• When material is machined away from a larger piece.

• When materials are put together to make a larger piece.

• When material/s are fused together to make a product.

What does the acronym PRP stand for in production techniques?

• Paper-based rapid prototyping

• Paper-based rapid production

• Paper recycling process

• Paper recycled product

LOM is laminated object manufacturing. What does lamination mean?

• When layers are cut away from a large piece.

• When plies are fused together to create a solid sheet.

• When an object is manufactured by adhering layers together.

• When manufacturing takes place in Laminate.

Is Stereolithography an additive or subtractive manufacturing process?

• Additive

• Subtractive

The most common form of additive production now-a-days is FDM, Fused Deposition Modelling. What machine do we have in school that manufactures in this way?

• Laser Cutter

• 3D Printer

• CNC Router

• Offset Laser Sintering machine

Wasting techniques are quite varied. Which list is correct for wasting/subtractive techniques?

• Cutting, milling, laser cutting, injection moulding

• Milling, turning, machining, abrading

• Machining, abrading, laser cutting, casting

• Casting, extruding, vacuum forming

Shaping techniques can be easily broken down into simpler forms. Which list is correct?

• Moulding, abrading, casting, extruding

• Casting, moulding, forming, laminating

• Cutting, casting, forming, laminating

• Weaving, casting, machining, laminating

Shaping of materials is very varied and can include many operations. Which of the following is not a type of moulding?

• Shear

• Injection

• Blow

• Rotational

Extrusion is used to make wide sheets of plywood.

• True

• False

Fibres can be shaped using weaving, knitting, felting and braiding.

• True

• False