AutoCAD Interview Questions and 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. 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 3. 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 4. 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 5. 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.
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