CAD commands GC

What does extrude mean?

• A CAD feature that allows 2D profiles to be pulled into 3D
• A CAD feature that allows 3D profiles to be turned into 2D
• A CAD feature that allows you to rotate a profile
• A 3D feature joined to another feature to create a new shape

What does this symbol mean?

• First Angle Projection
• Centre Line Position
• Scale Proportion
• Third Angle Projection

What type of constraint is this? (Shaded parts)

• Mate
• Centre Axis
• Flush
• Tangent

What command could I use to repeat the white circle to make a clock face?

• Box array
• Ring array
• Pattern
• New sketch

What CAD command is this model showing?

• Shell
• Hole
• Subraction
• Union

How would you describe ring array in CAD?

• Spiral form created by revolving a 3D feature round an axis
• A 2D shape used to create a 3D feature
• Special line that allows smooth curves
• Repeating a profile or feature in a selected pattern

What type of technical drawing is this?

• Oblique
• Planometric
• Isometric
• Orthographic

What CAD command would I use for this if I wanted the full shape to be circular?

• Extrude
• Revolve
• Fillet
• Chamfer

What does revolve mean?

• A 2D profile is rotated around an axis
• A 3D profile is is subracted around an axis
• A 2D profile is extruded from an edge
• A 2D profile is mirrored around an axis

Why is 3D modelling used?

• Makes it easy to test and modify ideas
• Save time and work more efficiently
• Designs will be more precise
• All of the above