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Autodesk Fusion ACU study materials
Autodesk Fusion ACU study resources

Autodesk Fusion ACU practice questions

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Question 1Fusion fundamentals and interface

Which file type does Autodesk Fusion use to store a single design document that can contain multiple components, bodies, and sketches?

  1. STEP
  2. DXF
  3. STL
  4. F3D Correct answer.

Explanation

Fusion's native document format is F3D, which preserves the full parametric history, component structure, and sketches of a design. Neutral formats such as STEP and STL store only geometry and lose the feature timeline.

Question 2Fusion fundamentals and interface

In the Fusion interface, which area lists the sketches, bodies, components, and construction geometry contained in the active design?

  1. The ViewCube
  2. The Timeline
  3. The Toolbar
  4. The Browser Correct answer.

Explanation

The Browser is the hierarchical tree on the left side of the workspace that organizes the design's components, bodies, sketches, and construction geometry. It is the primary place to select, rename, and control visibility of design elements.

Question 3Fusion fundamentals and interface

Which workspace in Fusion provides tools for building solid models from sketches using operations such as extrude, revolve, and fillet?

  1. Animation
  2. Design Correct answer.
  3. Render
  4. Drawing

Explanation

The Design workspace contains the modeling tools for creating and editing solid and surface geometry. Render, Animation, and Drawing are downstream workspaces used to present or document a finished model.

Question 4Fusion fundamentals and interface

What is the primary purpose of the Timeline at the bottom of the Fusion canvas?

  1. To show and edit the ordered history of features Correct answer.
  2. To list available cloud projects
  3. To display the model's material properties
  4. To control the grid and snap settings

Explanation

The Timeline displays each feature in the order it was created, allowing you to edit, reorder, suppress, or delete features. This ordered history is what makes the design parametric and editable.

Question 5Fusion fundamentals and interface

Which navigation tool lets you orbit, pan, and zoom the view by clicking and dragging with a mouse?

  1. The ViewCube and navigation bar Correct answer.
  2. The Browser
  3. The Data Panel
  4. The Sketch palette

Explanation

The ViewCube and the navigation bar at the bottom of the canvas provide orbit, pan, zoom, and view-orientation controls. Dragging the ViewCube faces or using the navigation bar buttons reorients the camera.

Question 6Fusion fundamentals and interface

Which panel is used to open, create, and manage designs stored in the Fusion cloud?

  1. The Toolbar
  2. The Sketch palette
  3. The Timeline
  4. The Data Panel Correct answer.

Explanation

The Data Panel provides access to cloud projects, folders, and design files, and it is where you create new designs or open existing ones. It is opened by clicking the file icon in the upper-left of the application window.

Question 7Fusion fundamentals and interface

In Fusion, what is a component?

  1. A saved camera view of the model
  2. A shortcut to a frequently used command
  3. A single continuous surface with no thickness
  4. A container that groups bodies, sketches, and subcomponents as a unit Correct answer.

Explanation

A component is a container that can hold bodies, sketches, construction geometry, and other components, and it supports its own origin and coordinate system. Components are the building blocks used to organize assemblies and enable joints.

Question 8Fusion fundamentals and interface

Which statement describes the difference between a body and a component in Fusion?

  1. A body can hold multiple components, while a component holds only sketches
  2. A body is a contiguous set of geometry, while a component is a container that can hold bodies Correct answer.
  3. A body is stored in the cloud, while a component is stored locally
  4. A component is always a single solid, while a body is always an assembly

Explanation

A body is a contiguous collection of connected faces and edges, whereas a component is an organizational container that may hold several bodies, sketches, and subcomponents. This distinction matters because joints and assembly structure operate on components, not bodies.

Question 9Fusion fundamentals and interface

A designer wants to move a component to a precise location relative to another component while allowing it to rotate. Which Fusion tool is intended for this?

  1. Move/Copy
  2. Combine
  3. Align
  4. Joint Correct answer.

Explanation

Joints define the relative position and allowed motion between two components, such as a revolute or rigid relationship. They capture design intent so the assembly updates correctly when components change.

Question 10Fusion fundamentals and interface

What does the Capture Design History setting control in Fusion?

  1. Whether sketches are converted to construction geometry
  2. Whether the view orientation is stored with the file
  3. Whether the model is automatically saved to the cloud
  4. Whether each modeling operation is recorded as an editable feature in the timeline Correct answer.

Explanation

When design history is captured, each operation becomes a feature on the timeline that can later be edited or reordered. Turning capture off creates direct-modeling edits that are not recorded as individual features.

Question 11Fusion fundamentals and interface

A user needs to sketch on a face that is not aligned with any default plane. What is the most direct way to start the sketch?

  1. Turn off Capture Design History
  2. Create a new component first
  3. Change the workspace to Render
  4. Select the planar face and choose Create Sketch Correct answer.

Explanation

Selecting any planar face and choosing Create Sketch places a sketch plane directly on that face. Fusion supports sketching on planar faces, origin planes, and construction planes.

Question 12Fusion fundamentals and interface

What is the function of construction geometry in a sketch?

  1. It renders the sketch with a shaded appearance
  2. It provides reference lines and points that guide constraints without forming part of the final profile Correct answer.
  3. It converts the sketch into a 3D body
  4. It permanently deletes geometry from the sketch

Explanation

Construction geometry appears as dashed lines or points and is used as a reference for dimensions, constraints, or symmetry. It does not contribute to the closed profile used by features such as extrude.

Question 13Fusion fundamentals and interface

Which constraint would you apply to make two lines remain parallel as the sketch is edited?

  1. Tangent
  2. Coincident
  3. Equal
  4. Parallel Correct answer.

Explanation

The Parallel constraint forces two selected lines to stay parallel when dimensions or other geometry change. Coincident joins points, Tangent relates a line and an arc, and Equal matches lengths or radii.

Question 14Fusion fundamentals and interface

A sketch profile shows as fully constrained. What does this indicate?

  1. All geometry in the sketch is fixed by dimensions and constraints Correct answer.
  2. The sketch is locked and cannot be edited
  3. The sketch has been extruded into a solid
  4. The sketch contains only construction lines

Explanation

A fully constrained sketch has every degree of freedom removed by dimensions and geometric constraints, so its geometry cannot move unintentionally. Fusion often indicates this state by color change in the sketch lines.

Question 15Fusion fundamentals and interface

Which command would you use to round the sharp edges of a solid model?

  1. Fillet Correct answer.
  2. Draft
  3. Shell
  4. Chamfer

Explanation

The Fillet command creates a rounded transition along selected edges or between faces. Chamfer creates an angled flat instead, while Shell hollows a solid and Draft angles faces for molding.

Question 16Fusion fundamentals and interface

What does the Extrude command do with a closed sketch profile?

  1. Projects the profile onto a curved surface
  2. Creates a 2D drawing view of the profile
  3. Adds or removes material by sweeping the profile along a direction Correct answer.
  4. Converts the profile into a construction plane

Explanation

Extrude sweeps a closed profile a specified distance along a direction, and the operation can join, cut, intersect, or create new bodies. The profile must generally be closed to produce a solid.

Question 17Fusion fundamentals and interface

A user wants to reuse the same sketch profile in several features without redrawing it. What is the best approach?

  1. Keep the sketch visible and select its profile in each feature Correct answer.
  2. Move the sketch into the Render workspace
  3. Convert the sketch to a mesh
  4. Delete the sketch after the first feature

Explanation

A sketch remains available in the Browser and its profiles can be selected by multiple features as long as it is visible. This avoids duplicate geometry and keeps the model consistent.

Question 18Fusion fundamentals and interface

Which Fusion feature would you use to create a mirrored copy of a body about a plane?

  1. Mirror Correct answer.
  2. Combine
  3. Split Body
  4. Pattern

Explanation

The Mirror command creates a symmetric copy of selected bodies, features, or faces about a chosen plane. Pattern repeats geometry in a linear or circular arrangement, which is a different operation.

Question 19Fusion fundamentals and interface

What is the purpose of the origin folder in the Browser?

  1. It stores previous versions of the file
  2. It lists the materials assigned to bodies
  3. It holds the drawing templates
  4. It contains the three default planes, axes, and center point for the design Correct answer.

Explanation

The origin folder holds the default XY, XZ, and YZ planes along with the axes and origin point, which serve as stable references for sketches and features. Using origin geometry keeps models anchored predictably.

Question 20Fusion fundamentals and interface

A user wants to check the internal structure of a solid without deleting material. Which display setting is most appropriate?

  1. Section Analysis Correct answer.
  2. Shaded with Edges
  3. Flat Shaded
  4. Wireframe with Hidden Edges

Explanation

Section Analysis cuts a temporary viewing plane through the model to reveal internal features without altering the geometry. The other display styles only change how surfaces are rendered.

Question 21Fusion fundamentals and interface

Which statement best explains why Fusion stores design history as an ordered feature list?

  1. It prevents the model from being saved to the cloud
  2. It removes the need for sketches in the model
  3. It converts all bodies into components automatically
  4. Editing an earlier feature causes later dependent features to update automatically Correct answer.

Explanation

Because features are evaluated in order and reference earlier geometry, changing an early feature propagates updates through downstream features. This parametric behavior is the core benefit of a captured history.

Question 22Fusion fundamentals and interface

A component shows a red icon in the Browser and its bodies appear dimmed. What does this most likely indicate?

  1. The component's bodies have no material assigned
  2. The component has been permanently deleted
  3. The component is not the active component for editing Correct answer.
  4. The component is stored in a different project

Explanation

Fusion dims inactive components and marks the active component so you know where new geometry will be created. Activating the component restores normal editing behavior on its bodies.

Question 23Fusion fundamentals and interface

A model's timeline shows a feature with a warning symbol, and later features fail to compute. What is the most reliable first step to diagnose the problem?

  1. Turn off Capture Design History
  2. Export the model to STL and reimport it
  3. Delete all later features and rebuild the model
  4. Edit the flagged feature and review its selections and inputs Correct answer.

Explanation

A warning on a timeline feature usually means a reference or input is invalid, which then breaks dependent features. Editing that feature to repair or reselect references is the targeted way to restore the model.

Question 24Fusion fundamentals and interface

Why does Fusion recommend grounding the first component in an assembly?

  1. It converts the component into a surface body
  2. It fixes that component's position so other components can be positioned relative to it Correct answer.
  3. It automatically assigns materials to all bodies
  4. It reduces the file size of the design

Explanation

Grounding removes the degrees of freedom of the base component, giving the assembly a stable reference frame. Other components can then be joined to it without the whole assembly drifting.

Question 25Fusion fundamentals and interface

A user edits a sketch that is used by several downstream features and the model updates unexpectedly. What is the best explanation?

  1. The sketch edit disabled Capture Design History
  2. The model was re-rendered in the Render workspace
  3. The sketch was automatically converted to a component
  4. The downstream features reference the sketch, so changing it changes their results Correct answer.

Explanation

Features that consume a sketch profile remain dependent on that sketch, so edits propagate through the timeline. This dependency is intentional parametric behavior rather than an error.

Question 26Fusion fundamentals and interface

Which area of the Fusion interface lists the components, bodies, sketches, and features that make up a design?

  1. The navigation bar
  2. The Browser Correct answer.
  3. The ViewCube
  4. The toolbar

Explanation

The Browser is the hierarchical tree on the left side of the Fusion window that organizes a design's components, bodies, sketches, origins, and feature nodes. Selecting an item there highlights it in the canvas and exposes its options. The other interface areas provide commands, orientation control, or view tools rather than the design structure.

Question 27Fusion fundamentals and interface

In Fusion, what is the purpose of a workspace such as Design or Manufacture?

  1. It stores a separate copy of the model for each team member
  2. It sets the units and tolerance defaults for the whole document
  3. It groups the tools and panels needed for a particular kind of task Correct answer.
  4. It controls which cloud hub the design is saved into

Explanation

A workspace is a task-focused environment that swaps in the ribbon tabs and panels relevant to a workflow, such as modeling, rendering, or CAM. Switching workspaces does not duplicate geometry or change document settings. It only changes which tools are presented.

Question 28Fusion fundamentals and interface

A user wants to orbit the model freely around the current view center. Which input accomplishes this by default?

  1. Holding the left mouse button and dragging
  2. Holding the middle mouse button and dragging Correct answer.
  3. Rolling the scroll wheel
  4. Pressing the F6 key

Explanation

In Fusion's default navigation, dragging with the middle mouse button held orbits the view around the current pivot point. The scroll wheel zooms, and the left button is reserved for selection. Orbit can also be reached from the navigation bar, but the mouse gesture is the standard method.

Question 29Fusion fundamentals and interface

Which statement describes the role of the timeline at the bottom of the Fusion canvas?

  1. It records modeling features in creation order so they can be edited or reordered Correct answer.
  2. It shows the assembly constraints applied between components
  3. It displays the version history of the cloud document
  4. It logs every mouse click for later replay of the session

Explanation

The timeline is a sequential list of the features that built the model, and each icon can be double-clicked to edit its inputs or dragged to change order. This is what makes parametric editing possible when design history is captured. It is not a click log, a cloud version list, or a constraint display.

Question 30Fusion fundamentals and interface

What does the Pan command do in the Fusion canvas?

  1. It shifts the view sideways without rotating the model Correct answer.
  2. It rotates the model about the screen center
  3. It zooms toward the cursor position
  4. It resets the view to the home orientation

Explanation

Panning translates the camera parallel to the screen so off-screen geometry can be brought into view while the orientation stays fixed. It is distinct from orbit, which changes the viewing angle, and from zoom, which changes scale. A dedicated home command restores the default orientation.

Question 31Fusion fundamentals and interface

A user wants the same model shown from a top, front, and right direction at once on a single screen. Which Fusion capability provides this?

  1. Creating additional viewports Correct answer.
  2. Turning on section analysis
  3. Switching to a shaded with edges style
  4. Enabling the grid display

Explanation

Fusion can display multiple viewports so different orientations of the same design are visible simultaneously. Each viewport has its own camera, so a top, front, and right view can be compared side by side. Grid, section analysis, and visual style change appearance but not the number of views.

Question 32Fusion fundamentals and interface

Which Fusion preference area would a user open to change the default modeling units from millimeters to inches?

  1. The document settings for units Correct answer.
  2. The toolbar tab for sketches
  3. The Browser node for the origin
  4. The ViewCube context menu

Explanation

Units are a document-level setting, so changing them is done through the document settings dialog rather than through modeling commands. Once changed, dialogs and measurements report values in the new unit. The origin, sketch tools, and ViewCube do not govern unit display.

Question 33Fusion fundamentals and interface

What is the function of the marking menu that appears when a user right-clicks in the Fusion canvas?

  1. It offers context-sensitive commands near the cursor Correct answer.
  2. It opens the application preferences dialog
  3. It lists every command in the active workspace
  4. It toggles the visibility of the Browser

Explanation

Right-clicking in the canvas raises a radial marking menu whose entries depend on what is under the cursor and what is selected. This gives fast access to likely next actions without moving to the toolbar. It is not a full command index and does not open preferences.

Question 34Fusion fundamentals and interface

A new user cannot find the Fillet command. Which approach most reliably locates it?

  1. Press the ViewCube home button
  2. Open the data panel and browse the design list
  3. Open the timeline and double-click the first feature
  4. Use the search field at the top of the toolbar Correct answer.

Explanation

Fusion includes a command search that finds tools by name and shows where they live, which is the fastest way to locate a command in an unfamiliar workspace. The data panel manages files, and the ViewCube and timeline act on the view and existing features. Searching by name works regardless of which tab currently holds the tool.

Question 35Fusion fundamentals and interface

What does the eye icon next to an item in the Browser control?

  1. Whether the item is grounded in the assembly
  2. Whether the item is included in the timeline
  3. The visibility of that item in the canvas Correct answer.
  4. Whether the item is saved to the cloud

Explanation

The eye icon toggles visibility, so a body, sketch, or component can be hidden without deleting it. Hidden items still exist and still participate in the model. Grounding, timeline inclusion, and cloud saving are separate concepts controlled elsewhere.

Question 36Fusion fundamentals and interface

A designer wants to work on one component while the rest of the assembly stays visible for reference. Which Browser action supports this?

  1. Ground every other component
  2. Turn off Capture Design History
  3. Delete the other components temporarily
  4. Use Isolate to show only the selected component Correct answer.

Explanation

Isolate hides everything except the selected component so it can be edited without visual clutter, and the isolated state can be exited to restore the previous visibility. Deleting or grounding other components changes the model rather than the view. Design history capture is unrelated to visibility.

Question 37Fusion fundamentals and interface

Which Browser indicator shows that a component is the active component receiving new sketches and bodies?

  1. A red warning badge on the component
  2. A padlock on the component icon
  3. A grayed-out component name
  4. A filled dot on the component icon Correct answer.

Explanation

The active component is marked in the Browser so users know where new geometry will be created, and only one component is active at a time. A padlock indicates grounding or a locked state, grayed text indicates hidden or inactive display, and a warning badge signals a problem. Activating the correct component prevents geometry from landing in the wrong place.

Question 38Fusion fundamentals and interface

What happens when a user drags a feature icon to a new position in the timeline?

  1. The feature is permanently deleted from the model
  2. The feature is recomputed in the new order if the dependencies allow it Correct answer.
  3. The feature is copied and both copies remain
  4. The feature becomes a sketch instead of a solid feature

Explanation

Timeline order defines the sequence of operations, so reordering a feature changes when it is applied relative to the others. Fusion recomputes the model and will flag failures if a moved feature depends on geometry created later. Reordering does not copy, delete, or convert the feature.

Question 39Fusion fundamentals and interface

Which display setting makes internal cavities visible by rendering the model as if it were made of glass?

  1. Flat shading
  2. Wireframe only
  3. X-ray or transparent shading Correct answer.
  4. Shaded with visible edges

Explanation

A translucent or X-ray style lets a user see interior geometry through the outer surfaces without cutting the model. Shaded with edges and flat shading still show opaque faces, and wireframe removes face shading entirely, which can make shape hard to read. Transparency is the setting intended for inspecting interiors.

Question 40Fusion fundamentals and interface

A user needs to measure the distance between two faces to confirm a clearance. Which Fusion tool is intended for this?

  1. The Extrude command
  2. The Move command
  3. The Sketch command
  4. The Measure command Correct answer.

Explanation

Measure reports distances, angles, and other values between selected entities without modifying the model. Extrude, Move, and Sketch all change geometry rather than report dimensions. Using Measure keeps the check non-destructive.

Question 41Fusion fundamentals and interface

What is the purpose of the grid and snap settings in Fusion?

  1. They set the material assigned to a body
  2. They control the render quality of the scene
  3. They define the thread pitch for holes
  4. They help align sketch geometry to regular intervals Correct answer.

Explanation

Grid and snap options provide visual reference lines and incremental snapping so sketch points and lines land on regular positions. They are drafting aids and do not affect materials, hole definitions, or rendering. Snapping can be turned off when free placement is preferred.

Question 42Fusion fundamentals and interface

A user wants to change the color of a single body without changing the material of the whole design. Which approach is appropriate?

  1. Change the document units
  2. Edit the first sketch in the timeline
  3. Turn off design history
  4. Apply an appearance override to that body Correct answer.

Explanation

Appearances control how a body looks and can be applied per body, face, or component without altering the underlying physical material. Units, sketches, and history settings do not affect color. This lets visual differentiation happen while the material assignment stays intact.

Question 43Fusion fundamentals and interface

Which of these is a workspace in Fusion focused on preparing a model for machining?

  1. Animation
  2. Sketch
  3. Render
  4. Manufacture Correct answer.

Explanation

The Manufacture workspace contains the CAM tools used to create setups, toolpaths, and machining operations from a model. Sketch is a modeling tool set, while Render and Animation are presentation workspaces. Choosing the Manufacture workspace exposes the toolpath commands needed for production.

Question 44Fusion fundamentals and interface

A user accidentally closed a panel and wants to restore the default arrangement of the Fusion interface. Which action is most appropriate?

  1. Switch the document units
  2. Delete the design and start over
  3. Reinstall the Fusion application
  4. Reset the interface layout from the application menu Correct answer.

Explanation

Fusion offers a reset of the user interface layout that restores panels and toolbars to their default positions, which is the intended fix for a rearranged or hidden interface. Reinstalling or discarding the design is far more destructive than necessary, and units are unrelated to layout.

Question 45Fusion fundamentals and interface

When Capture Design History is turned off and then back on, how does the timeline behave?

  1. The timeline is permanently cleared of all earlier features
  2. Every operation performed while it was off appears as an individual feature
  3. Features created while it was off are absorbed into a single base feature Correct answer.
  4. The model reverts to the state it had before history was disabled

Explanation

With history off, direct edits are not recorded as separate timeline entries; when history is re-enabled, the current state is captured as a base feature and subsequent operations are recorded from there. Earlier recorded features are not erased, and the model is not rolled back. This behavior is why direct modeling and parametric modeling produce different timelines.

Question 46Fusion fundamentals and interface

A component in the Browser is shown with a warning badge after an edit. What is the most reliable first step to diagnose the problem?

  1. Turn off Capture Design History
  2. Delete the component and rebuild it from scratch
  3. Change the display style to wireframe
  4. Open the affected feature and review its references and inputs Correct answer.

Explanation

A warning badge means a feature could not compute correctly, usually because a referenced edge, face, or profile changed or went missing. Opening the feature shows which selection failed and lets the reference be repaired. Deleting the component, disabling history, or changing display style does not resolve the underlying broken reference.

Question 47Fusion fundamentals and interface

Why does Fusion distinguish between the top-level design node and the components inside it when new geometry is created?

  1. New geometry is placed in whichever component is active at the time Correct answer.
  2. New geometry always goes to the top-level node regardless of activation
  3. New geometry is placed in the last component edited in the session
  4. New geometry is placed in the component nearest the origin

Explanation

Geometry is created inside the active component, and the active component is shown in the Browser and can be changed by the user. If the top-level node is active, bodies may be created outside any intended component, which complicates later assembly work. Activation, not proximity or recency, determines placement.

Question 48Fusion fundamentals and interface

A user wants to compare the current design against an earlier saved version without overwriting current work. Which Fusion capability is designed for this?

  1. Switching to the Render workspace
  2. Using the Measure command
  3. Opening a previous version from the data panel's version history Correct answer.
  4. Dragging features in the timeline

Explanation

The data panel keeps version history for each design, and an earlier version can be opened or promoted so it can be compared or restored. This preserves the newer version instead of replacing it. Timeline edits, measurement, and rendering do not provide access to saved versions.

Question 49Fusion fundamentals and interface

A user reports that a sketch is not visible even though it exists in the Browser. Which explanation is most consistent with Fusion's interface behavior?

  1. The sketch has been removed from the timeline
  2. The sketch was saved to a different cloud hub
  3. The sketch's visibility has been turned off or the sketch is inside a hidden component Correct answer.
  4. The sketch has been converted into a solid body

Explanation

Sketches can be hidden individually through the Browser eye icon, and hiding a parent component also hides its sketches. A sketch that exists as a Browser node has not been converted into a solid, and cloud location does not affect on-canvas visibility. Checking visibility states is the quickest diagnosis.

Question 50Fusion fundamentals and interface

A user wants the Fusion viewport to show a head-on view of the front of a part, then return to the previous angled 3D view. Which sequence of interface actions accomplishes this?

  1. Turn off Capture Design History, rotate the model to the front, then turn history back on to lock the view.
  2. Press the middle mouse button and drag until the part faces forward, then press Escape to return to the previous view.
  3. Use the ViewCube's front face to orient the view, then click the Home icon next to the ViewCube to restore the default orientation. Correct answer.
  4. Open the Browser, right-click the top-level design node, and choose the front orientation from the context menu.

Explanation

The ViewCube is the navigation widget in the upper-right of the canvas; clicking a named face such as FRONT snaps the camera to that standard orientation. The small Home icon beside the ViewCube returns the camera to the default isometric orientation, so the two clicks together give a repeatable way to go to a standard view and back.