WorksheetsRobotics 4th 9 weeks Exam
Total questions: 45
Worksheet time: 23mins
______________ is a free, accessible, and powerful 3D design application made by Autodesk.
SketchUp
Blender
Tinkercad
Maya
In TinkerCAD, how do you subtract material from a shape, or make a hole?
Use the Erase tool
Change the shape color to white
Set the shape to “Hole” and group it with another
Draw over it
How do you select more than one object?
Double click on one object
Click each object one at a time
Drag a selection box or hold Shift while clicking
Use the Zoom tool
What is the correct name for the tube shape?
Cylinder
Ring
Pipe
Torus
What is the shortcut for Undo on the Keyboard?
Ctrl + S
Ctrl + Z
Ctrl + X
Ctrl + P
In TinkerCAD this image is for:
Sort
Group
Delete
Paste
What is the keyboard shortcut for Copy?
Ctrl + V
Ctrl + P
Ctrl + C
Ctrl + X
In TinkerCAD this image is for:
Align
Resize
Duplicate
Hole
What tool would you use to center objects perfectly?
Mirror
Align
Rotate
Drag
C.A.D. is short for ___________.
Creative Art Design
Computer Aided Drawing
Computer Animated Design
Computer Aided Design
What is located directly to the right of the workplane in TinkerCAD?
The toolbar
Shape panel
Group menu
Trash bin
__________ is the name of the gridded floor in Tinkercad?
Base Grid
Build Plane
Workplane
Design Pad
In TinkerCAD the above image is for:
Rotate
Flip
Mirror
Undo
What is the keyboard shortcut for Paste?
Ctrl + C
Ctrl + Z
Ctrl + V
Ctrl + X
How can you tell if an object is a hole in tinkercad?
It has a red outline
It turns transparent gray
It is filled with dots
It says “Hole” in the name
A ____ is a full size working model.
Design
Sketch
Blueprint
Prototype
What is a limitation of 3D Printing?
It uses too many materials
It takes too long and has size limits
It always breaks
It’s only available online
What is the process of making three dimensional solid objects (laying down material by layer) from a digital file?
Prototyping
CNC Milling
3D Printing
Welding
What allows you to raise an object in Tinkercad?
Resize corner
Rotate arrow
Black cone handle above the object
Drag tool
What does this tool do?
Measures and positions objects
Rotates object
Copies object
Groups object
What is this tool called?
Grid Setter
Workplane
Align Tool
Base Layer
Give the name for this icon in TinkerCAD.
Join
Group
Match
Home view
What does this symbol stand for?
Lock position
Save file
Rotate shape
Mirror shape
The curved arrows allow you to do what?
Copy an object
Move an object
Rotate an object
Raise an object
What does CAD stand for in the context of 3D design?
Computer-Aided Design
Creative Animation Design
Computer Algorithmic Drawing
Contemporary Artistic Design
Which file format is commonly used for storing 3D models?
JPG
PNG
STL
What is the purpose of a slicer software in 3D printing?
To convert 2D images into 3D models
To create support structures for overhangs
To slice the 3D model into thin layers for printing
To add textures and colors to the 3D model
Which of the following is not a common type of 3D printing technology?
FDM (Fused Deposition Modeling)
SLA (Stereolithography)
CNC (Computer Numerical Control)
SLS (Selective Laser Sintering)
Which component of a 3D printer melts and deposits the material layer by layer?
Extruder
Build plate
Resin tank
Laser
What is the purpose of the build plate in a 3D printer?
To cool down the printed object
To provide a stable base for printing
To control the temperature inside the printer
To store filament spools
Which of the following materials is not commonly used in FDM 3D printing?
PLA (Polylactic Acid)
ABS (Acrylonitrile Butadiene Styrene)
Nylon
Resin
What does the term "overhang" refer to in 3D printing?
A feature of the 3D model that extends beyond the print bed
A defect caused by improper filament feeding
A type of support structure used for intricate designs
A layer separation issue during printing
Which parameter determines the layer resolution of a 3D printed object?
Printing speed
Layer height
Filament diameter
Extruder temperature
Which of the following is a post-processing technique used to smooth the surface of 3D printed objects?
Sanding
Painting
Electroplating
All of the above
Which software is commonly used for sculpting and organic modeling in 3D design?
SolidWorks
Blender
AutoCAD
Rhino
What is the main advantage of SLA 3D printing over FDM printing?
Faster printing speed
Higher resolution
Lower material cost
Greater material compatibility
Which type of 3D printer uses a vat of liquid resin and a UV laser to create objects?
FDM printer
SLS printer
SLA printer
DLP printer
What does the term "infill" refer to in 3D printing?
The density of the printed object
The amount of support material used
The internal structure of the printed object
The speed of the printing process
Which of the following is not a consideration when selecting a filament material for 3D printing?
Strength
Flexibility
Color
Electrical conductivity
What does the term "bed leveling" refer to in 3D printing?
Adjusting the height of the build plate to ensure proper adhesion
Calibrating the extruder temperature for optimal printing
Checking the alignment of the print head with the build plate
Optimizing the speed of the printing process
Which component of a 3D printer is responsible for feeding filament into the extruder?
Bowden tube
Filament spool
Extruder motor
Hotend
What is the primary advantage of using dual extruders in 3D printing?
Faster printing speed
Ability to print with multiple materials or colors simultaneously
Higher resolution
Lower cost
Which parameter determines the strength of a 3D printed object?
Layer resolution
Infill density
Printing temperature
Filament diameter
What is the main benefit of 3D printing compared to traditional manufacturing methods?
Lower cost
Faster production time
Greater design freedom
All of the above
What is one benefit of using 3D modeling to design an object for your school, home, or community?
It allows you to create a prototype and visualize the model before building it.
It makes objects heavier and harder to use.
It limits the features you can include in your design.
It prevents you from solving real-world problems.
