Test 2 Practice - Version A
When creating an extrusion, which of the following is a valid taper angle?
10°
Which command is active when the move gizmo is displayed?
3DMOVE
Which of the following commands allows an object to be rotated, moved, and scaled in one operation?
ALIGN
Which of the following are valid shapes to be swept into a solid with the SWEEP command?
Circles, rectangles, and closed polylines.
Which of the following shapes can be revolved into a solid?
Circles, rectangles, and closed polylines.
When creating a model of a closed sealing ring as a loft, the ______________________________ option must be used to connect the last cross section to the first cross section.
Close surface or solid
Which system variable controls whether or not the original object and path are retained after the EXTRUDE command is used?
DELOBJ
A loft can consist of any combination of open and closed shapes, but if any open shape is selected, the result is a surface.
False
A normal is a vector extending parallel to a given cross section in a loft and is perpendicular to the path where the plane of the cross section intersects the path.
False
The Mesh Primitive Options dialog box is used to set the mesh parameters for the RULESURF command, among others.
False
The default smoothness level for meshes is 1.
False
To create an extrusion that tapers out from the base (increases in size), enter a taper angle greater than 90°.
False
What is the best way to select the cross sections for use in the LOFT command?
Individually pick the cross sections in the order that they will be lofted.
The ______________________________ command is used to close gaps in a mesh object.
MESHCAP
Which of the following are gizmos that, depending on the setting in the Selection panel on the Home tab of the ribbon, may be displayed when a subobject is selected on a solid?
Move gizmo. Rotate gizmo. Scale gizmo. Answer: All of the above <====
Which operations can be performed on the vertex subobjects of a solid?
Moving, rotating, and scaling
Which of the following are the two types of grips displayed on a 3D solid in AutoCAD?
Parameter and base.
By default, how is the shape aligned with the path for the SWEEP command?
Perpendicular to the path.
How is a subobject selected on a solid?
Press the [Ctrl] key before picking the subobject
When rotating a subobject, how can you cycle through the various end results produced by the operation?
Press the [Ctrl] key.
What are the three basic types of 3D solids in AutoCAD?
Primitives, sweeps, and composite solids
What is the shape of the grip on a linear edge of a solid?
Rectangular
What are the three components of a 3D rectangular array?
Rows, columns, and levels.
The ______________________________ system variable controls whether or not the history of all new solids is recorded.
SOLIDHIST
To create a sweep that tapers from the beginning of the path to the end, the ______________________________ option of the SWEEP command is used.
Scale
The current subobject filter is set by picking the appropriate button in the ______________________________ panel on the Home, Solid, or Mesh tab of the ribbon.
Selection
The roundness of a mesh object is increased by increasing the ______________________________ level.
Smoothness
Which of the rules below should be followed when using guide curves in a loft?
The guide curve should start on the first cross section. The guide curve should end on the last cross section. The guide curve should intersect all cross sections. Answer: All of the above <====
Boxes, wedges, and pyramids have square base grips at the corners that allow the size of the base to be changed.
True
By default, the object used to create an extruded or revolved surface is associated with the surface.
True
By slicing a solid with a surface in the shape of a stamped part, a mating die can be created.
True
The primitives used to create a composite solid can be selected as subobjects and then edited.
True
When creating a 3D polar array, an axis of rotation is specified by picking two points.
True
Which of the following is an option of the SWEEP command and value that results in the profile being rotated three times as it is swept along the path?
Twist; 1080
Which of the following can be used as the axis of revolution for the REVOLVE command?
Two picked points; an object; or the X, Y, or Z axis of the current UCS.
The ______________________________ key is used to cycle through the various end results when editing a solid subobject.
[Ctrl]
Which keyboard key or key combination is used to select a subobject for editing?
[Ctrl]
A sweep is similar to a(n) ______________________________, but there are more options when creating a sweep and the SWEEP command provides more control over the resulting object.
extrusion
If two circles are lofted and the result is to be a motorcycle grip, ______________________________ must be used to control the shape of the loft.
guide curves
A(n) ______________________________ shape can only be extruded into a surface.
open
By default, the profile is aligned ______________________________ to the sweep path.
perpendicular
A 3D ______________________________ array is an arrangement of objects oriented in rows and levels about a center point or axis.
polar
When using the EXTRUDE command, a ______________________________ taper angle tapers to the inside of the object from the base.
positive
A(n) ______________________________ is a two-dimensional solid. It has no thickness, but has mass properties.
region
When a solid object is exploded, flat surfaces on the solid become ______________________________.
regions
The first step in extruding a mesh face is to ______________________________.
select the face subobject
Extruding a line with the PRESSPULL command creates a(n) ______________________________.
surface
An extrusion is really a form of a(n) ______________________________, which is due to how an extrusion is created.
sweep
When a mesh is refined, ____.
the number of mesh subdivisions is quadrupled to increase the detail of the mesh
When the MESHSPLIT command is used:
the selected face is replaced with two faces.