CDT CAD Software & Technology Applications 2 — Questions and Answers
Question 1: In AutoCAD, which command allows you to create a new layer and set its properties in one step?
- LAYER (Correct answer)
- LINETYPE
- PROPERTIES
- STYLE
Correct answer: LAYER
The LAYER command opens the Layer Properties Manager where you can create layers and assign color, linetype, lineweight, and other properties.
Question 2: What is the purpose of a 'viewport' in CAD paper space?
- To store backup copies of drawings
- To display a specific view of model space at a defined scale (Correct answer)
- To import raster images into the drawing
- To define the drawing's coordinate system
Correct answer: To display a specific view of model space at a defined scale
Viewports in paper space act as windows into model space, allowing you to display different views at specific scales for plotting.
Question 3: Which file format is the native format for AutoCAD drawings?
- .DGN
- .DWF
- .DWG (Correct answer)
- .DXF
Correct answer: .DWG
DWG is AutoCAD's proprietary native file format used to save all drawing data including geometry, layers, and attributes.
Question 4: What does the acronym BIM stand for in modern construction technology?
- Building Information Modeling (Correct answer)
- Basic Infrastructure Mapping
- Blueprint Integration Method
- Boundary Interface Management
Correct answer: Building Information Modeling
Building Information Modeling (BIM) is a process for creating and managing digital representations of physical and functional characteristics of places.
Question 5: In CAD software, what is an 'xref' (external reference)?
- A cross-referenced dimension style
- A drawing file attached to and displayed within another drawing (Correct answer)
- An external database linked to attribute data
- A reference line used for alignment
Correct answer: A drawing file attached to and displayed within another drawing
An external reference (xref) is a separate drawing file that is linked and displayed within a host drawing, updating automatically when the source file changes.
Question 6: Which CAD command is used to combine two overlapping closed shapes into a single unified region?
- INTERSECT
- SUBTRACT
- UNION (Correct answer)
- EXPLODE
Correct answer: UNION
The UNION command combines two or more 3D solids or 2D regions into a single composite object by merging their volumes or areas.
Question 7: What is the function of the OSNAP (Object Snap) feature in CAD?
- To snap the drawing canvas to a grid
- To lock the cursor to specific geometric points on existing objects (Correct answer)
- To automatically save the drawing at intervals
- To snap layers together when merging drawings
Correct answer: To lock the cursor to specific geometric points on existing objects
Object Snap (OSNAP) forces the cursor to lock onto precise geometric points such as endpoints, midpoints, centers, and intersections on existing drawing objects.
CDT CAD Software & Technology Applications 2
In AutoCAD, which command allows you to create a new layer and set its properties in one step?