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WorksheetsUnderstanding CAD Standards and Techniques
Total questions: 15
Worksheet time: 8mins
Which of the following is a common technique used in 3D modelling to create complex shapes by combining simpler ones?
Extrusion
Boolean operations
Wireframing
Rendering
In CAD software, which file format is most commonly used for exchanging 2D drawings between different programmes?
.dwg
.stl
.obj
According to British Standards, what is the recommended unit for linear dimensions in technical drawings?
Inches
Metres
Millimetres
Feet
Which CAD software is widely used in architecture and engineering for both 2D and 3D design?
Blender
AutoCAD
GIMP
Inkscape
What is the primary purpose of using layers in CAD drawings?
To add colour to objects
To organise different elements for easier editing
To increase file size
To create 3D effects
Which 3D modelling technique involves creating a shape by moving a 2D profile along a path?
Lofting
Extrusion
Filleting
Chamfering
What does the acronym 'CAD' stand for?
Computer Automated Drawing
Computer Aided Design
Computer Assisted Drafting
Computer Analysed Data
Which British Standard specifies the general principles of technical drawing?
BS 8888
BS 1363
BS 476
BS 6500
In 3D modelling, what is the process of smoothing the edges of a model called?
Chamfering
Filleting
Shelling
Mirroring
Which of the following is NOT a typical feature of CAD software?
Parametric modelling
Real-time rendering
Spreadsheet calculations
Layer management
What is the standard projection method used in British technical drawings?
First angle projection
Third angle projection
Isometric projection
Perspective projection
Which file format is commonly used for 3D printing and contains information about the geometry of a 3D model?
.dwg
.stl
.docx
Which type of constraint in CAD ensures that two lines remain perpendicular to each other?
Coincident constraint
Perpendicular constraint
Parallel constraint
Tangent constraint
Which 3D modelling technique allows you to create a hollow version of a solid object by specifying wall thickness?
Shelling
Lofting
Filleting
Chamfering
What is the correct way to indicate a dimension of 500 millimetres on a British technical drawing?
500mm
500 m
500 metres
500 millimetres
