AutoCAD Interview Questions and Answers
Freshers / Beginner level questions & answers
Ques 1. What is AutoCAD and how is it used?
AutoCAD is a computer-aided design (CAD) software used for creating 2D and 3D drawings and models. It is widely used in various industries such as architecture, engineering, and construction.
Example:
AutoCAD can be used to design floor plans for buildings or create detailed mechanical drawings for machinery.
Ques 2. What is the purpose of the 'DWG' file format in AutoCAD?
The 'DWG' (drawing) file format is the native file format used by AutoCAD to save drawings. It stores both 2D and 3D design data, including geometry, metadata, and customization settings.
Example:
AutoCAD drawings are typically saved with a .dwg file extension.
Ques 3. How do you use the 'Mirror' command in AutoCAD?
The 'Mirror' command is used to create a mirrored copy of selected objects. Specify a line as the mirror axis, and the selected objects are duplicated on the opposite side of the mirror line.
Example:
Command: MIRROR, Select objects, Specify first point of mirror line, Specify second point.
Intermediate / 1 to 5 years experienced level questions & answers
Ques 4. Explain the difference between absolute and relative coordinates in AutoCAD.
Absolute coordinates are fixed points on the XY plane, while relative coordinates are measured from the last point specified. Absolute coordinates use a fixed origin point, usually (0,0), while relative coordinates are based on the current position.
Example:
Absolute coordinates: (5,10), Relative coordinates: @2,3 (moves 2 units along X and 3 units along Y from the last point).
Ques 5. How do you create a block in AutoCAD?
To create a block in AutoCAD, use the 'BLOCK' command. Select the objects you want to include in the block, specify a base point, and define any necessary attributes. The selected objects are then grouped into a single block.
Example:
Command: BLOCK, Select objects, Specify base point, Enter a block name.
Ques 6. What is the purpose of the 'Purge' command in AutoCAD?
The 'Purge' command is used to remove unused elements such as layers, linetypes, and blocks from the drawing. This helps reduce the file size and clean up the drawing.
Example:
Command: PURGE, Check and select items to purge, Confirm deletion.
Ques 7. Explain the use of the 'Array' command in AutoCAD.
The 'Array' command creates copies of objects in a specified pattern. It can be used to create rectangular, polar, or path arrays, allowing for efficient duplication of elements in a drawing.
Example:
Command: ARRAY, Select objects, Specify type (Rectangular, Polar, Path), Enter array details.
Ques 8. How do you insert a hyperlink in AutoCAD?
To insert a hyperlink in AutoCAD, use the 'HYPERLINK' command. Specify the link address, and the selected text or object becomes a clickable hyperlink.
Example:
Command: HYPERLINK, Enter link address, Select text or object.
Ques 9. How can you create a hatch pattern in AutoCAD?
To create a hatch pattern in AutoCAD, use the 'HATCH' command. Select the enclosed area to be hatched, choose a pattern, and specify any additional settings.
Example:
Command: HATCH, Select area, Choose pattern, Adjust settings if needed.
Ques 10. What is the purpose of the 'Viewport' command in AutoCAD?
The 'Viewport' command is used to create and manage viewports in layout space. Viewports allow you to display different views of the model within a single layout.
Example:
Command: VPORTS, Select layout, Specify the number and arrangement of viewports.
Ques 11. What is the 'Layer' command used for in AutoCAD?
The 'Layer' command is used to create, modify, and manage layers in AutoCAD. Layers help organize and control the visibility of objects in a drawing.
Example:
Command: LAYER, Create new layers, Set current layer, Change layer properties.
Ques 12. How can you use the 'Align' command in AutoCAD?
The 'Align' command is used to align objects with respect to a specified line or two points. It is helpful for positioning objects precisely in a drawing.
Example:
Command: ALIGN, Select objects, Specify first source point, Specify first destination point.
Ques 13. What is the purpose of the 'Scale' command in AutoCAD?
The 'Scale' command is used to resize objects in a drawing while maintaining their proportions. It can be applied uniformly or along a specified axis.
Example:
Command: SCALE, Select objects, Specify base point, Enter scale factor.
Ques 14. Explain the function of the 'Linetypes' in AutoCAD.
Linetypes in AutoCAD define the appearance of lines in a drawing. They can be continuous, dashed, dotted, or custom linetypes, helping to differentiate and emphasize different elements.
Example:
Command: LTSCALE, Adjusts the scale of linetypes globally.
Ques 15. How do you create a dimension in AutoCAD?
To create a dimension in AutoCAD, use the 'DIMENSION' command. Select the objects to dimension, specify the dimension line location, and set the dimension style.
Example:
Command: DIMENSION, Select objects, Specify dimension line location, Set dimension style.
Ques 16. What is the 'Explode' command used for in AutoCAD?
The 'Explode' command is used to break a compound object, such as a block or polyline, into its individual components. This is useful for editing or modifying specific elements within a complex object.
Example:
Command: EXPLODE, Select object to explode.
Ques 17. How can you create a 3D model in AutoCAD?
To create a 3D model in AutoCAD, you can use commands such as 'BOX,' 'CYLINDER,' and 'EXTRUDE' to generate 3D shapes. Additionally, 'VIEW' and 'UCS' commands help in navigating and orienting in 3D space.
Example:
Command: BOX, Specify width, height, and depth.
Ques 18. What is the purpose of the 'Match Properties' command in AutoCAD?
The 'Match Properties' command is used to copy properties, such as layer, color, and linetype, from one object to another. It streamlines the process of making objects consistent in appearance.
Example:
Command: MATCHPROP, Select source object, Select target object.
Ques 19. How do you use the 'Fillet' command in AutoCAD?
The 'Fillet' command is used to create a rounded corner between two lines or objects. Specify the fillet radius, and AutoCAD automatically trims or extends the lines to form a smooth curve.
Example:
Command: FILLET, Select first object, Select second object, Specify fillet radius.
Ques 20. Explain the use of the 'Viewport' freeze in AutoCAD.
Viewport freeze in AutoCAD allows you to freeze or thaw layers independently in different viewports. It is useful for controlling the visibility of layers in specific layout viewports without affecting others.
Example:
Command: VPLAYER, Select viewport, Choose layers to freeze or thaw.
Ques 21. How can you use the 'Quick Select' tool in AutoCAD?
The 'Quick Select' tool is used to filter and select objects based on specified criteria. It helps in quickly identifying and manipulating specific types of objects in a drawing.
Example:
Command: QSELECT, Choose object type and properties, Set conditions, Press OK.
Ques 22. What is the purpose of the 'Viewport' layer override in AutoCAD?
Viewport layer override allows you to display specific layers differently in individual viewports. It helps customize the appearance of layers in different layout views.
Example:
Right-click on a viewport > Layer Properties Manager > Override.
Ques 23. How do you create a custom linetype in AutoCAD?
To create a custom linetype in AutoCAD, define a series of dashes, dots, and spaces in a linetype definition file (LIN file). Then, load the linetype using the 'LINETYPE' command.
Example:
Create a LIN file with desired linetype definition > Command: LINETYPE, Load.
Ques 24. What is the purpose of the 'Burst' command in AutoCAD?
The 'Burst' command is used to convert a block or attributed block back into its individual components. It breaks the block instance and retains the attributes as separate text entities.
Example:
Command: BURST, Select block to burst.
Ques 25. How can you import external references (Xrefs) in AutoCAD?
To import external references in AutoCAD, use the 'XATTACH' or 'XREF' command. This allows you to link external drawings or files into the current drawing.
Example:
Command: XATTACH (or XREF), Select external drawing, Specify insertion point.
Ques 26. Explain the use of the 'Multileader' command in AutoCAD.
The 'Multileader' command is used to create leaders with multiple lines of text and an arrow or block. It is commonly used for adding annotations, notes, or labels in a drawing.
Example:
Command: MLEADER, Specify arrowhead location, Enter text, Adjust settings.
Ques 27. How do you use the 'Jogged' dimensions in AutoCAD?
Jogged dimensions in AutoCAD are used when the dimension line needs to be interrupted to avoid crossing other entities. They can be created by using the 'JOG' option during the 'DIMENSION' command.
Example:
Command: DIMENSION, Select objects, Specify dimension line location, Enter JOG.
Ques 28. What is the purpose of the 'Osnaps' (Object Snaps) in AutoCAD?
Object Snaps (Osnaps) in AutoCAD help you precisely locate points on objects. They snap to specific points like endpoints, midpoints, intersections, and others, facilitating accurate drawing.
Example:
Command: OSNAP, Choose desired snap points, Enable snap mode.
Ques 29. How can you create a custom workspace in AutoCAD?
To create a custom workspace in AutoCAD, go to the 'Workspace' dropdown in the toolbar, select 'Save Current As,' and provide a name for the new workspace. This saves your current UI settings.
Example:
Workspace dropdown > Save Current As > Enter a name for the new workspace.
Ques 30. What is the purpose of the 'Viewport' layer freeze in AutoCAD?
Viewport layer freeze allows you to freeze or thaw layers independently in different viewports. It is useful for controlling the visibility of layers in specific layout viewports without affecting others.
Example:
Command: LAYFRZ, Select viewport, Choose layers to freeze or thaw.
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