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Which constraint makes a line stay parallel to the X axis (level) in a sketch?
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B
C
D
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2026 Statistics
Key Facts: Inventor ACU Exam
50 min
Exam Duration
Certiport / SolidProfessor ACU Inventor
~30
Exam Items
Certiport ACU Inventor
~70%
Passing Score
Certiport ACU program
~150 hrs
Recommended Experience
Autodesk Inventor Certified User
6
Objective Domains
Certiport Inventor objectives
Certiport
Exam Provider
Pearson VUE / Autodesk
The Autodesk Inventor ACU is a 50-minute Certiport (Pearson VUE) entry-level exam with about 30 multiple-choice and performance-based items requiring roughly 70% to pass. It validates foundational Inventor skills across six objective domains: file and project management, 2D sketching, part modeling, assembly, presentations and drawings, and sheet metal.
Sample Inventor ACU Practice Questions
Try these sample questions to test your Inventor ACU exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1In Autodesk Inventor, which file type is used to create a single 3D component such as a bracket or shaft?
A..iam (assembly file)
B..idw (drawing file)
C..ipt (part file)
D..ipn (presentation file)
Explanation: A part file (.ipt) contains the geometry of a single component built from sketches and features. It is the foundational file type from which assemblies and drawings are later derived.
2What is the primary purpose of an Inventor project file (.ipj)?
A.It stores the active 3D model geometry
B.It defines file search paths and library locations so Inventor can resolve references between parts, assemblies, and drawings
C.It exports the model to a neutral CAD format
D.It controls the rendering quality of a scene
Explanation: The project file (.ipj) tells Inventor where to look for files, including the workspace and content libraries, so that references between linked documents resolve correctly. Setting the active project before modeling prevents broken links.
3Which file extension identifies an Inventor assembly document?
A..ipt
B..idw
C..ide
D..iam
Explanation: Assembly documents use the .iam extension and reference component part files placed together with assembly relationships. The assembly does not store its own solid geometry; it references the parts.
4When you start a new file in Inventor, what is the main role of a template (e.g., Standard.ipt)?
A.It locks the file so it cannot be edited
B.It provides preset units, styles, and settings as a starting point for a new document
C.It automatically uploads the file to a cloud library
D.It converts the file to a read-only drawing
Explanation: Templates contain predefined units, drafting standards, materials, and styles so new documents begin with consistent settings. Choosing the correct template (e.g., metric vs. English) saves rework later.
5Where in the Inventor interface do you find an ordered, hierarchical list of all sketches, features, and components in the current document?
A.The status bar
B.The Model browser (browser pane)
C.The navigation cube
D.The marking menu
Explanation: The Model browser lists every sketch, feature, work feature, and component in creation order, letting you select, rename, suppress, reorder, or edit them. It is central to managing model history.
6Which Inventor navigation tool lets you quickly rotate the model to standard orthographic and isometric orientations by clicking its faces, edges, or corners?
A.Project Geometry
B.Measure
C.ViewCube
D.Sketch Doctor
Explanation: The ViewCube is an interactive 3D orientation tool. Clicking a face shows that orthographic view, clicking a corner shows an isometric-style view, and arrows rotate the model in 90-degree increments.
7Before sketching a new profile on a planar face, what must you typically do first?
A.Apply a material to the part
B.Start a 2D sketch and select a sketch plane or planar face
C.Create a drawing view
D.Run an interference check
Explanation: Sketches must reside on a plane. You start a 2D sketch and pick an origin plane or an existing planar face to define the sketch surface before drawing geometry on it.
8In an Inventor sketch, which geometric constraint forces two lines to remain at 90 degrees to each other?
A.Parallel
B.Collinear
C.Perpendicular
D.Equal
Explanation: The Perpendicular constraint maintains a 90-degree relationship between two lines or a line and a curve's tangent. It is one of the geometric constraints used to control sketch shape without dimensions.
9What does it mean when an Inventor sketch is described as 'fully constrained'?
A.The sketch has been extruded into a solid
B.The sketch contains only construction lines
C.The sketch has been shared with other parts
D.All degrees of freedom are removed, so geometry cannot move unexpectedly, and the geometry typically displays as a fixed color
Explanation: A fully constrained sketch has every degree of freedom controlled by dimensions and geometric constraints, so dragging entities does not change the shape. Inventor changes the sketch color and reports zero remaining dimensions needed.
10Which sketch tool copies edges or vertices from existing model geometry onto the active sketch plane so they can be referenced?
A.Offset
B.Trim
C.Project Geometry
D.Mirror
Explanation: Project Geometry projects selected model edges, faces, or work features onto the current sketch plane, creating reference geometry linked to the source. This is useful for aligning new features to existing ones.
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