IB DT Paper 1 Topic 3 MCQ

Figure 2 shows a freehand drawing and an orthographic projection of a chair.

What is an advantage of using a freehand drawing rather than an orthographic drawing?

• A. More accurate

• B. Allows quick exploration of ideas

• C. Can be given to a manufacturer to make it

• D. All parts drawn in proportion

In computer-aided design (CAD), when a model is created that has no interior material and is just a visual representation of the final product, this is considered as a…

• A. Bottom up model

• B. Surface model

• C. Solid model

• D. Top down model

What best describes a physical model that can be used to test ergonomic features but does not function?

• A. Scale model

• B. Prototype

• C. Mock-up

• D. Instrumented model

What rapid prototyping process uses lasers to solidify layers from a liquid resin?

• A. Stereolithography (SLA)

• B. Fused deposition modelling (FDM)

• C. Selective laser sintering (SLS)

• D. Laminated object manufacturing (LOM)

Figure 3 shows people in a museum. By interacting with the exhibit they are able to understand how the image displayed on the screen feels.

Which technology enables the people to understand what the image feels like through their sense of touch?

• A. Animation

• B. Haptic

• C. Motion Capture

• D. Virtual prototyping

Which of the following modelling techniques would most likely be used to understand how well a new concept functions?

• A. Aesthetic model

• B. Mock-up

• C. Scale model

• D. Prototype

Which of the following would enable a designer to understand the structural forces acting on a bridge support?

• A. Data modelling

• B. Bottom-up Modelling

• C. Finite element analysis (FEA)

• D. Virtual prototyping

Which of the following processes, commonly used in video games and animated movies, uses magnetic markers or LEDs to create a digital image of a person?

• A. Data modelling

• B. Statistical modelling

• C. Motion capture

• D. Virtual prototyping

Which of the following rapid prototyping techniques does not require structural supports during the build?

• A. Selective laser sintering (SLS)

• B. Laminated object manufacture (LOM)

• C. Fused disposition modelling (FDM)

• D. Stereolithography

Graphical models are useful for engineers, manufacturers, designers and clients, and vary depending on the context. Which of the following graphical models is most appropriate in the context of an architectural design to present to a client?

• A. Assembly drawing

• B. Perspective drawing

• C. Isometric drawing

• D. Orthographic projection