Engineering Design and Prototyping Quiz

Which of the following is a common material used in 3D printing?

• Wood

• PLA (Polylactic Acid)

• Glass

• Steel

In the injection moulding process, what is the primary purpose of the mould?

• To cool the plastic

• To shape the molten material

• To heat the plastic

• To mix the materials

Which of the following views is NOT typically included in an orthographic projection?

• Front view

• Top view

• Isometric view

• Side view

What is the purpose of design annotation in engineering drawings?

• To add artistic elements

• To provide detailed manufacturing instructions

• To reduce the size of the drawing

• To change the scale of the drawing

Which of the following is a key benefit of prototyping in the design process?

• Reducing the cost of materials

• Eliminating the need for testing

• Identifying design flaws early

• Increasing the final product's weight