Quiz 3 - 3D Solids

FALSE.

2D lines, circles, arcs, and polylines can not be converted to a polysolid.

TRUE

2d views can not be converted into a 3D solid model

TRUE

3d models can be rotated using the 3DROTATE command.

cylinder

A _____ has a circular base or elliptical base and edges that extend perpendicular to the base.

cone

A _____ has a circular base or elliptical base with edges that converge at a single point.

box

A _____ primitive has six flat sides forming square corners.

TRUE

A composite region is created when regions are added or subtracted from one another.

FALSE

A composite solid is a solid model constructed of only one solid or primitive.

two or more solid or primitives

A composite solid is constructed of _____

TRUE

A model can start with solid primitives, such as a box, cone, or cylinder, and a variety of editing functions can then be performed.

TRUE

A region is a closed, two-dimensional shape that has mass property values.

TRUE

A solid model accurately and realistically represents the shape and form of the final object.

TRUE

All dimensions, including those shown in 3d, are not required to be clear and easy to read.

Line, circle, arc, polyline, polygon, and rectangle

AutoCAD 2D entities that can be converted to a polysolid are _____

TRUE

New geometry such as circles and cylinders should be generated with their base on the XY plane, and their height extending in the Z direction.

FALSE

Solid models do not contain any data related to an object's volume, mass, and centroid.

TRUE

The polysolid primitive is simply a polyline constructed as a solid object by applying a width and height to the polyline.

8

There are ____ solid primitives in AutoCAD

union

What command allows you to combine solid objects?

Intersect

What command allows you to create a solid from intersection /overlapping of solid objects?

subtract

What command allows you to remove the volume of one or more solids from another solid?