WorksheetsIED 1.2.5 – Sketches, Extrusions, and Revolutions Quiz
Total questions: 10
Worksheet time: 5mins
What does the term abstraction mean in the context of modeling?
Adding extra detail to increase realism
Removing unnecessary details to focus on essential characteristics
Printing a physical version of a model
Mirroring a 3D part to save time
Why do engineers use abstraction when creating models?
To reduce file size only
To make models less realistic
To simplify and reduce cost or time by modeling only what’s needed
To create artistic renderings
What is parametric modeling?
Modeling that ignores all constraints
Modeling that maintains relationships between features so changes automatically update the model
Modeling done without dimensions
Modeling only for aesthetic purposes
What two tools are introduced in this activity to transform 2D sketches into 3D features?
Extrude and Revolve
Offset and Mirror
Loft and Sweep
Fillet and Chamfer
Which of the following correctly describes the Extrude feature?
Rotates a profile around an axis
Projects a sketch into a 3D solid by adding or removing material
Creates a 2D sketch on a new plane
Rounds sharp edges on a solid model
When a rectangle is revolved 360° around one of its sides, what general shape is created?
Cone
Cylinder
Cube
Torus
Why is it important to plan how you will build your model before starting in CAD?
It reduces the number of unnecessary sketches and features, making the model more efficient
It allows for artistic creativity
It increases the number of timeline operations
It prevents the need for constraints
What tool would you use to smooth or round the edges between two faces of a model?
Chamfer
Loft
Fillet
Shell
If a change is made to an early sketch in a parametric model, what happens?
Only the sketch changes; later features stay the same
Later dependent features may update or be affected
The model becomes static and cannot update
The model automatically deletes unused sketches
What is the advantage of reviewing the model timeline in Fusion 360?
It shows material properties
It lists printing settings
It allows you to view and edit the order of features to improve efficiency
It exports the model to other CAD programs
