CAD

By default when you create a new drawing file, the value of the z coordinate for all new 2D objects is...

0

The axes in an isometric drawing are ____________________ degrees apart.

120

Which command allows you to move an object in three dimensions?

3DMOVE

Which command allows you to change the angle of a 3D object about an axis?

3DROTATE

An example of a subobject on a solid is...

A vertex, an edge, and a face

You can view a 3D model from...

Any point in space.

To bevel an edge of a solid model, you should use what command?

CHAMFER command

What is not a Boolean operation?

Composition

What is an example of a visual style in AutoCAD?

Conceptual

When you work in Isometric drawing mode, the ____________________ run parallel to the isometric grid.

Cross hairs

To create accurate and properly constructed isometric circles, use the...

ELLIPSE command

What command can produce a procedural surface?

EXTRUDE

True/False: A 3D face is a type of wireframe object.

False

True/False: An elevation of 8 creates an object with a height of 8 units.

False

True/False: Changing to a new UCS does not affect the coordinate system icon and grid.

False

True/False: Mirroring a 2D object in 3D space automatically creates a 3D object.

False

True/False: Only closed polylines can be extruded.

False

True/False: Perspective projection displays an object with parallel lines that do not converge toward a vanishing point.

False

True/False: The PRESSPULL command allows you to distort the surface of a solid to create a freeform shape.

False

True/False: The PRESSPULL command allows you to taper the sides of the volume you are pressing or pulling.

False

True/False: The UNION command does not work on composite solids.

False

True/False: The most logical way to create a UCS oriented to the current drawing screen is to use the Object option.

False

True/False: To mirror an object in 3D space, you should use the 3DMIRROR command.

False

True/False: When the 3DFORBIT command is active, the camera stays stationary and the target moves around the camera.

False

True/False: The most efficient way to create a solid cone is to enter the CYLINDER command and specify a top radius of 0.

False. Cylinder command.

True/False: The DONUT command allows you to create donut-shaped solid primitives.

False. It's a torus.

True/False: Creating a new solid model or surface by specifying and connecting a series of 2D cross sections is known as sweeping.

False. Loft.

To create an open 3D spiral object, use what command?

HELIX command

A line with endpoints at coordinates 0,2,2 and 0,2,5 is...

Horizontal on the YZ plane

Creating a 3D surface or solid model by connecting several 2D cross sections is known as...

Lofting

One of the reasons that solid models are becoming more widely used than surface models is that solid models...

More accurately reflect a physical prototype.

Can a block be extruded using the EXTRUDE command?

No

Is the origin of a UCS fixed?

No

A football-shaped object results when you specify...

None of the above

To show dimensions in their proper locations on an isometric drawing, you should use the ____________________ option of the DIMEDIT command.

Oblique

Which of the following commands is available on the Other Navigation Modes shortcut menu?

Pan, Zoom, 3D Free Orbit, and Constrained Orbit

An isometric drawing produces a ____________________ representation of an object.

Pictorial

To place isometric circles correctly on a drawing, you must be sure to toggle the crosshairs to the correct isometric ____________________.

Plane

To toggle the isometric crosshairs from one plane to another...

Press CTRL E or use the ISOPLANE command

To set up the alignment grid to create an isometric drawing, enter the...

SNAP command

Which of the following commands is capable of creating a hole in a solid model?

SUBTRACT

What is a predefined solid primitive in AutoCAD?

Sphere

Moving a 2D profile along a path curve to create a 3D surface or solid model is known as...

Sweeping

To create a solid model from a planar surface, which command should you use?

THICKEN

To create a solid model from a surface, which command should you use?

THICKEN

To add depth to a 2D object such as a polyline or circle, which command might you use?

THICKNESS

The following methods allow you to rotate a model in 3D space:

The ViewCube, The SteeringWheel, and 3DFORBIT

The three drawing planes in an isometric drawing are the left, right, and ____________________ planes.

Top

True/False: A gizmo is an icon that simplifies the selection process for 3D commands.

True

True/False: A polyline that contains a crossing or self-intersecting segment cannot be extruded.

True

True/False: An important benefit of creating designs in 3D is the ability to communicate the designs more accurately to people and groups both inside and outside a company.

True

True/False: AutoCAD allows you to create a new UCS that is aligned with an existing planar object.

True

True/False: AutoCAD provides a predefined UCS for each of the six viewpoints in 3D space (top, bottom, front, back, left, and right).

True

True/False: Boolean operations in AutoCAD are derived from a mathematical system created by George Boole for use with logic formulas and operations.

True

True/False: By definition, the top surface of an extruded part has exactly the same area as the lower surface.

True

True/False: It is useful to save new UCSs you create in a drawing so that you can move from one to another quickly without having to recreate them each time.

True

True/False: One difference between a solid model and a surface model is that the defining geometry in a solid model defines a watertight volume.

True

True/False: The Constrained Orbit mode of rotation limits the rotation of the model with respect to the Z axis and XY plane.

True

True/False: The three axes of the Cartesian coordinate system are the X, Y, and Z axes.

True

True/False: The three subobject filtering selection options are Vertex, Edge, and Face.

True

True/False: To create a hollow pipe with a 2" outer diameter and a wall thickness of 1/16", you could create concentric cylinders with diameters of 2" and 1 15/16" and then subtract the smaller cylinder from the larger one.

True

True/False: To create a solid wedge, you must identify two points diagonally across from each other on the base of the wedge.

True

True/False: To zoom within the 3D orbit view, right-click and pick Zoom from the shortcut menu.

True

True/False: Two points at different elevations in 3D space have different z values.

True

True/False: When AutoCAD subtracts one solid from another, it also updates the mass properties of the resulting solid.

True

True/False: You can create a new UCS by moving the origin of the current UCS.

True

A line with endpoints at coordinates 2,4,0 and 2,8,0 is...

Vertical on the XY plane

A representation of an object that uses lines and curves to define its boundaries is a(n)...

Wireframe

Who is the bestest person in the whole, wide universe?

Zoe Clark(me)

To create an elliptical cylinder, you can...

a. enter the Elliptical option of the CYLINDER command. AND b. create an ellipse using the ELLIPSE command and then extrude it.

What are three properties of the world coordinate system?

a. is AutoCAD's default coordinate system. b. has the X axis horizontal on the screen. c. has the Y axis vertical on the screen.

A composite solid is one that...

results when any Boolean operation is applied to two or more solid primitives.

The purpose of the UCS icon is to...

show the orientation of the axes in the current UCS.

Solid primitives are...

the basic building blocks for creating complex solid models.

When defining a UCS by selecting 3 points,

the first point you select becomes the origin and the other two define the X and Y axes.

An isometric drawing is a...

two-dimensional drawing that gives a three-dimensional appearance.