Viewports in 3D AutoCAD MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 24, 2024

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