Viewports in 3D AutoCAD MCQs

What is the primary command used to create 3D solids in AutoCAD? A) LINE B) POLYLINE C) 3DORBIT D) BOX Correct Answer: D) BOX Which command allows you to extrude a 2D object into 3D in AutoCAD? A) REVOLVE B) EXTRUDE C) LOFT D) SWEEP Correct Answer: B) EXTRUDE What is the function of the UCS command in AutoCAD? A) To create new layers B) To change the coordinate system C) To adjust the viewing angle D) To import 3D models Correct Answer: B) To change the coordinate system Which command is used to rotate a 3D object around a specific axis? A) MOVE B) ROTATE C) 3DROTATE D) ALIGN Correct Answer: C) 3DROTATE What does the term “lofting” refer to in 3D modeling? A) Creating surfaces between two or more profiles B) Extruding a shape to a defined height C) Cutting through a solid D) Mirroring an object Correct Answer: A) Creating surfaces between two or more profiles Which of the following is NOT a valid 3D primitive object in AutoCAD? A) Sphere B) Cone C) Hexagon D) Torus Correct Answer: C) Hexagon What command would you use to create a 3D surface from a series of 2D curves? A) SURFSCULPT B) SURFTRIM C) SURFLOFT D) SURFNETWORK Correct Answer: C) SURFLOFT In AutoCAD, which view allows you to see the 3D object from above? A) Front View B) Side View C) Top View D) Isometric View Correct Answer: C) Top View What does the command “SLICESOLID” do? A) Changes the color of a solid B) Splits a solid into two or more parts C) Combines multiple solids into one D) Creates a 2D outline from a solid Correct Answer: B) Splits a solid into two or more parts Which AutoCAD command is used to create a 3D object that follows a defined path? A) SWEEP B) LOFT C) REVOLVE D) EXTRUDE Correct Answer: A) SWEEP What is the purpose of the “DVIEW” command in 3D modeling? A) To dimension objects B) To create a new view C) To control the display of a view D) To export the view to a file Correct Answer: C) To control the display of a view Which of the following commands is used to create a 3D model from a 2D drawing? A) 3DORBIT B) VPOINT C) EXTRUDE D) VIEW Correct Answer: C) EXTRUDE What does the command “RENDER” do in AutoCAD? A) Creates a technical drawing B) Generates a photorealistic image of the model C) Edits the 3D model D) Converts 3D objects to 2D Correct Answer: B) Generates a photorealistic image of the model Which AutoCAD tool allows you to visualize the 3D model from different angles? A) 3DORBIT B) VIEW C) RENDER D) NAVIGATE Correct Answer: A) 3DORBIT What is the function of the “STEPS” option in the “REVOLVE” command? A) To specify the height of the object B) To define the number of segments in the revolved surface C) To create a solid instead of a surface D) To mirror the object Correct Answer: B) To define the number of segments in the revolved surface Which command is used to apply a material to a 3D object in AutoCAD? A) MATERIALS B) TEXTURE C) PROPERTIES D) RENDER Correct Answer: A) MATERIALS What is the primary use of the “UCS” command in 3D modeling? A) To define the units of measurement B) To create 3D objects C) To set the User Coordinate System D) To switch between 2D and 3D modes Correct Answer: C) To set the User Coordinate System Which command can be used to cut a 3D solid into parts using a 2D shape? A) TRIM B) SLICE C) INTERSECT D) UNION Correct Answer: B) SLICE In 3D AutoCAD, what does the term “sectioning” refer to? A) Viewing only the edges of a solid B) Creating a 2D projection of a 3D object C) Cutting through a solid to see the interior D) Applying textures to a surface Correct Answer: C) Cutting through a solid to see the interior Which of the following commands would you use to create a 3D model from a series of 2D shapes? A) 3DARRAY B) SOLIDEDIT C) SURFTRIM D) LOFT Correct Answer: D) LOFT What does the “ALIGN” command do in a 3D context? A) Aligns two layers B) Aligns 3D objects in a specified manner C) Aligns dimensions to the model D) Aligns the viewpoint to the model Correct Answer: B) Aligns 3D objects in a specified manner In 3D AutoCAD, what is the purpose of the “SOLIDEDIT” command? A) To edit 3D solids B) To create 3D solids C) To display solid properties D) To render solids Correct Answer: A) To edit 3D solids Which of the following is a valid 3D viewing option in AutoCAD? A) Front B) Isometric C) Perspective D) All of the above Correct Answer: D) All of the above What is the primary function of the “VIEW” command in 3D AutoCAD? A) To change layer properties B) To set up different viewing angles C) To create new objects D) To edit existing objects Correct Answer: B) To set up different viewing angles Which AutoCAD command would you use to create a cylindrical shape? A) BOX B) CYLINDER C) SPHERE D) CONE Correct Answer: B) CYLINDER In AutoCAD, which setting controls the visibility of 3D objects? A) LAYER B) PROPERTIES C) UCS D) VISUALSTYLES Correct Answer: D) VISUALSTYLES What command is used to create a 3D surface from contour lines? A) SURFCONTROL B) SURFACE C) SURFNETWORK D) SURFEDIT Correct Answer: C) SURFNETWORK Which feature allows you to create and manage materials in AutoCAD? A) MATERIALS EDITOR B) RENDER MANAGER C) TEXTURE TOOL D) MATERIALS MANAGER Correct Answer: A) MATERIALS EDITOR What does the “MIRROR3D” command do in AutoCAD? A) Reflects 3D objects across a plane B) Creates a duplicate of a 3D object C) Changes the color of a solid D) Aligns two 3D models Correct Answer: A) Reflects 3D objects across a plane Which command can be used to create a solid that represents a 3D sweep of a 2D shape? A) LOFT B) SWEEP C) EXTRUDE D) REVOLVE Correct Answer: B) SWEEP What does the “FLATSHOT” command do? A) Creates a flat representation of a 3D object B) Projects a 3D view onto a plane C) Renders a 3D model D) Cuts a solid into flat shapes Correct Answer: A) Creates a flat representation of a 3D object Which option in the properties palette allows you to adjust the transparency of a 3D object? A) Color B) Material C) Transparency D) Visibility Correct Answer: C) Transparency What is the purpose of the “VPOINT” command in AutoCAD? A) To set the viewpoint in 3D B) To create points in 3D space C) To define the center of a circle D) To set the origin of a solid Correct Answer: A) To set the viewpoint in 3D Which command is used to create a hole in a solid object? A) SUBTRACT B) TRIM C) SLICE D) HOLE Correct Answer: A) SUBTRACT What does the “PROPERTIES” command allow you to do in AutoCAD? A) Edit dimension styles B) Change the properties of selected objects C) Create new layers D) Import 3D files Correct Answer: B) Change the properties of selected objects Which feature allows you to control the display of edges and faces of 3D objects? A) EDGES B) VISUALSTYLES C) LAYERS D) RENDER Correct Answer: B) VISUALSTYLES What does the “ARRAY” command do in 3D modeling? A) Creates a pattern of objects B) Adjusts the size of objects C) Aligns multiple objects D) Creates a solid from surfaces Correct Answer: A) Creates a pattern of objects Which command allows you to change the lighting in a 3D model? A) LIGHT B) RENDER C) MATERIALS D) VISUALSTYLES Correct Answer: A) LIGHT What is the purpose of the “POLYLINE” command in 3D AutoCAD? A) To create 3D surfaces B) To create 2D lines and curves C) To define a path for 3D objects D) To edit existing 3D shapes Correct Answer: C) To define a path for 3D objects What does the “CREATE” option in the “3D SOLID” command do? A) Creates a new layer B) Initializes a new 3D model C) Combines multiple solids D) Sets the base point for extrusion Correct Answer: B) Initializes a new 3D model Which command can be used to convert a 2D shape into a 3D model? A) EXTRUDE B) REDEFINE C) CONVERT D) LAYERS Correct Answer: A) EXTRUDE In 3D AutoCAD, which property controls the appearance of an object? A) Scale B) Color C) Layer D) All of the above Correct Answer: D) All of the above What does the “OFFSET” command do in a 3D context? A) Creates a duplicate of a 3D object B) Moves an object along a defined path C) Creates a parallel copy of a curve or surface D) Scales an object Correct Answer: C) Creates a parallel copy of a curve or surface Which of the following tools helps you navigate around a 3D model? A) PAN B) ZOOM C) 3DORBIT D) All of the above Correct Answer: D) All of the above What is the function of the “SUBTRACT” command in 3D modeling? A) To add solids together B) To remove one solid from another C) To create complex shapes D) To mirror an object Correct Answer: B) To remove one solid from another Which command can be used to project a 2D shape onto a 3D surface? A) PROJECT B) 3DPROJECTION C) PROJECT2D D) PLANE Correct Answer: A) PROJECT

Viewports in 3D AutoCAD MCQs
By: Prof. Dr. Fazal Rehman | Last updated: September 24, 2024

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