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Grade 12 Christmas Theory Exam 2024

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.

Identify the 3D Part in the photo.

a)

Touch screen

b)

Extruder

c)

Gantry

d)

Heated Removable Build Plate

e)

Build Volume

2.

Identify the 3D area where the product is in the photo.

a)

Touch screen

b)

Extruder

c)

Gantry

d)

Heated Removable Build Plate

e)

Build Volume

3.

Identify the 3D part in the photo.

a)

Touch screen

b)

Extruder

c)

Gantry

d)

Camera

e)

Build Volume

4.

Identify the 3D part in the photo.

a)

Touch screen

b)

Extruder

c)

Gantry

d)

Camera

e)

Build Volume

5.

Identify the 3D part in the photo.

a)

Touch screen

b)

Extruder

c)

Gantry

d)

Camera

e)

Build Volume

6.

Identify the 3D part in the photo.

a)

Material Guide Tube

b)

Extruder

c)

Gantry

d)

Spool Enclosure & Material Hub

e)

Build Volume

7.

Identify the 3D part in the photo.

a)

Material Guide Tube

b)

Extruder

c)

Gantry

d)

Spool Enclosure & Material Hub

e)

Build Volume

8.

Identify the 3D part in the photo.

a)

Material Guide Tube

b)

Touchscreen

c)

Gantry

d)

Spool Enclosure & Material Hub

e)

Build Volume

9.

The (a)   is used to store print material during the printing process and is installed clockwise.

10.

The (a)   allows you to start prints, change settings and view status information.

11.

The maximum area where the object is created is 150mm x 150mm x 150mm. It is called the (a)  

12.

The (a)   takes the material spool to the extruder.

13.

The device that allows the carriage and extruder assemblies to move in the X and Z axis. (a)  

14.

The flat plate that is removable and bendable to remove objects. It moves in the Y axis. (a)  

15.

The (a)   draws the material from the spool, melts it, and pushes it through a nozzle onto the Build Plate.

16.

Use (a)   to monitor prints remotely.

17.

In the design thinking phase, empathizing with the user and define the problem at hand is called _______.

a)

Sketch

b)

Make

c)

ASK

d)

None of the above

18.

When you print and test prototypes to better refine the solution in the design thinking phase it is called _______.

a)

Sketch

b)

Make

c)

ASK

d)

None of the above

19.

The process of ideate and brainstorming solutions that resolve the user’s pain points in the design thinking phase it is called _______.

a)

Sketch

b)

Make

c)

ASK

d)

None of the above

20.

Two sketching methods used in the Sketch phase are:

a)

Isometric

b)

Orthographic

c)

Oblique

d)

3 Point Perspective

21.

There 3 types of 3D modelling programs. The ____________ is the easiest and most widely available type of modeling program used for creating models with real-world dimensions and to make functional parts.

a)

Digital Modelling

b)

Polygon Modelling

c)

Solid Modelling

22.

There 3 types of 3D modelling programs. The ____________ simulates the process of sculpting clay to create highly detailed and textured models.

a)

Digital Modelling

b)

Polygon Modelling

c)

Solid Modelling

23.

There 3 types of 3D modelling programs. The ____________ gives direct control of the mesh, faces, vertices, or edges of a model to create highly detailed and intricate 3D models.

a)

Digital Modelling

b)

Polygon Modelling

c)

Solid Modelling

24.

(a)   helps a 3D

object hold its shape and increases the objects

durability, measured in density.

25.

The (a)   make up the shape of the 3D print when stacked.

26.

The outside walls that make up the perimeter of

printed parts. It is called (a)   .

27.

The first component that is printed to help models adhere to the build surface and provides a level surface for the first layer of the 3D model.. It is called (a)  

28.

Removable scaffolding-like structures that print with your 3D model for any areas that

have severe overhangs. Its called (a)  

29.

(a)   that typically exceed 68

degrees from the Z-axis will require supports.

30.

The underside of a print that is supported at both ends but not in the middle.

(a)