pre engineering exam
What is the default layer thickness in Ultimaker Cura?
0.2 mm
What term is used to describe the interior volume of 3D prints?
Infill
Constructive Solid Geometry describes the solid model as a combination of basic shapes known as _____.
Primitives
The _____ constraint applies a curvature continuous condition to a spline.
Smooth
Two or more solid objects can be combined into one using _____ operations.
Boolean
The _____ constraint causes selected circles or arcs to have the same radius, and lines to have the same length.
Equal
Autodesk Inventor can be used for projects in many different engineering applications including: civil engineering, architecture, and structural engineering. T/F
False
Autodesk Inventor is a feature-based 3D modeling software. T/F
False
Constraints are not intended to capture the design intent. T/F
False
Features that are created for the purposes of performing a "cut" operation in Autodesk Inventor are not considered primitives. T/F
False
In AutoCAD geometry is controlled by dimensions, and in Autodesk Inventor dimensions are controlled by geometry. T/F
False
In Ultimaker Cura it is not possible to reset your model size after scaling it to be larger or smaller. T/F
False
In a binary tree the roots are the various primitives that are combined to form the final solid object known as the leaf. T/F
False
It is never necessary to press the [Esc] key more than once to end an operation Autodesk Inventor. T/F
False
It is not possible select different toolbars when modeling with Autodesk Inventor. T/F
False
Precise scale and dimensions are required to create a rough sketch. T/F
False
Rotating your model in Ultimaker Cura produces the same results as spinning your point of view. T/F
False
The Model Browser is similar to the Command Line in AutoCAD. T/F
False
The Model Browser is the area where drawings and models are displayed in Autodesk Inventor. T/F
False
_____ is the process of digitally a part to determine how much force it can resist before failing?
Finite Element Analysis
Practical 3D modeling systems allow the user to define Local Coordinate Systems (LCS) or User Coordinate Systems (UCS) relative to the world coordinate system. T/F
True
Re-linking is what allows easy modification of your models.T/F
True
Some of these constraints are applied automatically as geometry is created. T/F
True
The [Esc] Key is used to cancel a command in Autodesk Inventor. T/F
True
The feature-based parametric modeling technique enables the designer to incorporate the original design intent into the construction of the model. T/F
True
When 3D printing, greater infill density means that 3D prints will require more material. T/F
True
When creating a 3D model with Autodesk Inventor it is consider best practice to add fillets and rounds after your 2D geometry has been turned into a 3D model. T/F
True
When creating a rough sketch, you simply sketch the geometry so that it closely resembles the desired shape. T/F
True
When starting a new part in Autodesk Inventor, the geometry of your first sketch should be snapped to the origin. T/F
True
In most 3D modeling software, 3D objects are located and defined in what is usually called _____ space or global space.
world
What is the default nozzle size for Ender 3 Pro 3D printers?
0.4 mm
The Constructive Solid Geometry method was developed in the _____.
1980's
The _____ alerts the user to the current orientation of the X, Y, & Z axes.
3D Indicator
Which Inventor project is used to combine two or more models?
Assembly
Match each of the following Autodesk Inventor projects with the correct file extension/format.
Assembly .iam Part .ipt Presentation .ipn Drawing .idw
Which of the following is NOT one of the steps included in creating a new project in Autodesk Inventor?
Click on open
The _____ constraint constrains points to other geometries in 2D and 3D sketches.
Coincident
The _____ constraint causes two or more line segments or ellipse axes to line on the same line.
Collinear
Which of the following entities is NOT part of the Autodesk Inventor user interface?
Command Line
The _____ constraint causes two arcs, circles, or ellipses to have the same center points.
Concentric
Which of the following is NOT one of the steps of the general parametric modeling process? -Apply/modify constraints and dimensions to the two-dimensional sketch. -Perform analyses on the computer model and refine the design as needed. -Create the desired drawing views to document the design. -Extrude, revolve, or sweep the parametric two-dimensional sketch to create the base solid feature of the design. -Create a precise two-dimensional sketch of the exact size and shape of the base feature of the design. -Add additional parametric features by identifying feature relations and complete the
Create a precise two-dimensional sketch of the exact size and shape of the base feature of the design.
Which of the following is NOT one of the steps of the general parametric modeling process? -Extrude, revolve, or sweep the parametric two-dimensional sketch to create the base solid feature of the design. -Create the desired drawing views to document the design. -Add additional parametric features by identifying feature relations and complete the design. -Apply/modify constraints and dimensions to the two-dimensional sketch. -Create a precise two-dimensional sketch of the exact size and shape of the base feature of the design. -Perform analyses on the computer model and refine the design as needed.
Create a precise two-dimensional sketch of the exact size and shape of the base feature of the design.
Which keyboard combination is used to create copies of your model in Ultimaker Cura?
Ctrl + M
Which of the following is NOT one of the five basic primitives found in Autodesk Inventor?
Dodecahedron
In Autodesk inventor, the readout displayed next to the cursor is called the _____ Input.
Dynamic
Which manufacturing process do Ender 3 Pro 3D printers use to produce prints?
Extrusion
The first sketch you create should never be drawn on one of the established datum planes.
False
When creating technical drawings with AutoCAD you are strictly limited to only working on mechanical engineering applications. T/F
False
_____(s) are groups of similar commands such as create or modify commands.
Feature Toolbar Panel
The _____ allows you to create new files, open existing files, or save your current file.
File Menu
The _____ constraint fixes points and curves in position.
Fix
The _____ constraint causes a line, ellipse axis, or pair of points to be horizontal.
Horizontal
Picks icons, menus, and graphic entities.
Left Mouse Button
Which of the following is NOT included in the guidelines for creating rough sketches? -Create a sketch that is proportional to the desired shape. -Exaggerate the geometric features of the desired shape. -Make sure your sketches are complete by including features such as fillets, rounds, and chamfers. -Geometry should form a closed region. -Draw the geometry so that it does not overlap. Self-intersecting geometry will lead to failure when creating your 3D model.
Make sure your sketches are complete by including features such as fillets, rounds, and chamfers.
_____ displays information pertinent to the active operation.
Message or Single-line Help
Allows quick pan and zoom.
Middle Mouse Button
Which of the following is NOT one of the options for creating a new Inventor project?
Model
The _____ provides access to the history of your projects as well as allowing you to edit your current project.
Model Browser
The _____ constraint causes selected linear geometry to be parallel to each other.
Parallel
The word _____ means that the geometric definitions of the design, such as dimensions, can be varied at any time during the design process.
Parametric
The _____ constraint causes selected linear geometry to lie at right angles to each other.
Perpendicular
_____ allow(s) the user to switch between open projects.
Project Tabs
The _____ provide(s) quick access to commonly used commands such as: save, open, create new, undo, and redo.
Quick Access Toolbar
The _____ allows users to select inventor commands.
Ribbon Toolbar
Brings up additional available options.
Right Mouse Button
Clicking and holding the _____ while also pressing the [Ctrl] key will allow you to spin your point of view in Ultimaker Cura.
Right-Mouse Button
The _____ constraint constrains selected geometry to be symmetric about a line.
Symmetric
The _____ constraint causes lines to be tangent to curves, curves to be tangent to each other, or the end of splines to be tangent to curves.
Tangent
3D printers are robots that produce physical prints from digital models. T/F
True
After your first sketch is created, additional sketches are typically drawn on model faces or datum planes. T/F
True
Any solid feature that is created with Autodesk Inventor can be considered primitive. T/F
True
Autodesk Inventor is a feature-based parametric modeling software? T/F
True
If your rough sketches are constructed poorly they will require much more work to complete. T/F
True
In order to create a 2D sketch in Autodesk Inventor you must select a plane of projection or a model surface. T/F
True
The CSG concept is one of the most important building blocks for feature-based modeling. T/F
True
The CSG method is also referred to as the method used to store a solid model in the database. T/F
True
The right-mouse button is also used to accept the default option of a command, or end a process. T/F
True
The world space is usually a 3D Cartesian coordinate system that the user cannot change or manipulate. T/F
True
What is the name of the slicing software used at Wilson Hall?
Ultimaker Cura
When scaling a model in Ultimaker Cura, unchecking the _____ box will allow you to scale in the X, Y, and Z axes individually.
Uniform
The _____ constraint causes a line, ellipse axis, or pair of points to be vertical.
Vertical
The basic principle of _____-based modeling is to build models by adding simple features one at a time.
feature
The CSG method is also known as the _____ approach because it is similar to practices used in a machine shop.
machinist's
In Autodesk Inventor a _____ plane is a local coordinate system that can be aligned to an existing face of a part, or a reference plane.
sketching
