IET154 Exam 2
Spline
Long flexible strips of wood or plastics that were used on shipyard lofting-room floors in the offices of naval architects to produce curves that define the shop of a ships hull
What the radius between the placement face and the side faces of the pocket is known as?
Placement radius
A boss feature can be place on a non-planar surface
False
After cratering a coordinate system, you cannot modify its location
False
If you create an associative datum plane, it's name will be displayed as Fixed Datum Plane in the Part Navigator
False
You can exit the Sketch environment by choosing the ___ tool front eh Direct Sketch group
Finish Sketch
The Sketch tool in the Home tab is chooses to switch to the Sketch in Task environment
True
The Stop Short of Corner rollout of the Edge Blend dialog box is used to restrict the distance of the blend in the selected edge
True
The generative drafting technique is used to automatically generate the drawing views of parts and assemblies
True
The length of a rectangular pad is parallel to a horizontal reference
True
While creating counterbore holes, the counterbore diameter must be greater than the hole diameter
True
You can set the selection mode to select only the sketched entities
True
You can use the Linear option from the Pattern Feature dialog box to create a linear pattern of features
True
In NX, you can use Isocline Draft and ___ type of draft method
True Draft
You can restore standard views by using buttons from the ___ group in the Top Border Bar
View
Parameters
a named quantity whose value can be changed
General pockets can be created on both planar and nonplanar faces
True
If you enter 0 in the Inner Diameter edit box, the resulting tube feature will be solid filled
True
Two major directions/methods of building solid model
primitives and sweeps
CSG
(consecutive solid geometry) stores the model data in terms of the solid primitive and the boolean operations that are used to combine them
DOF
(degrees of freedom) parts that unconstrained, free to translate along or rotate about any combination of the three coordinate axis
FEA
(finite element analysis) a numerical technique used to solve physical problems that cannot be solved analytically
RP
(rapid prototyping) the automatic construction of physical objects directly for a geometric solid or surface model
SLS
(selective laser sintering) employs a powder material that is selectively fused by a laser
The ___ is a file extension associated with all the files that are created in different environments in an assembly
*.prt
In NX, how many methods are used to start a new file?
2
The ___ group is used to generate the GDT parameters, annotations, and symbols
Annotation
Names of parametric solid modeling tools: Midrange packages
Autodesk Inventor; SolidWorks (Dassault), and Solid Edge (Siemens)
Which of the following tools is used to create the cylindrical extrusion feature?
Boss
CAD downstream applications
CAE CAM PDM/PLM
Names of parametric solid modeling tools: High-end packages
CATIA (Dassault); Creo Elements/Pro (formerly Pro/ENGINEER) (PTC); and NX (Siemens)
Which of the following tools is used to make the end points of selected objects coincident?
Coincident
The ____ constraint is used to force two curves to share same center point
Concentric
Which of the falling rollouts in the Edge Blend dialog box is used to create a corner blend feature?
Corner Setback
Which of the following tools allows you to create additional planes?
Datum Plane
Which of the following tools is used to apply the constant length constrained between sketch members ?
Equal Length
The____ rollout in the Shell dialog box is used to specify the faces of a model that should not be displayed in the resultant model
Face to Pierce
A counterbore hole has a uniform diameter throughout its length
False
A draft feature can be place o the surface body
False
In NX you can extrude a sketch to perform only the Unite operation
False
In NX you can extrude a sketch to perform only the gone Unite operation
False
In NX, you can create only realistic threads
False
In NX, you cannot draw a rectangle from its center
False
The Quick Extent tool is used to extend or lengthen an open sketched emeritus up to infinity
False
The Shell dialog box allows you to hollow models by using three methods
False
The Tube tool is used to create a tube of rectangular cross-section
False
Wen you rotor various entities using the Mirror Curve too, by default a mirrored copy of the Sketch entities is created and the original entities are deleted
False
You can fillet corners in a sketch by using the ____ tool
Fillet
If you choose the ___ button from the Rectangle dialogue box, it will enable you to draw a center point rectangle
From Center
The ___ option is used to add the draft that is aligned with the profile
From Section
Which of the following check boxes in the Thread dialog box is selected to create threads through the length of a selected face?
Full Thread
The ___ boolean operation is used to create an extruded feature by retaining the material common to the existing feature and the sketch
Intersect
The ___ tool is used to measure the distance between two object
Measure Distance
Which one of the following oaths is used I invoke the Move Object tool?
Menu>Edit
Which of the following tools in NX allows you to dynamically move, rotate, or copy the solid objects and the sketched entities
Move Object
After invoking the Quick Trim tool, you can drag the cursor to trim ___ entities
Multiple
Which of the following dialogue boxes is displayed when you choose the New button from the File tab to start a new file?
New
Which of the following draft types is used to create a draft on nonuniform edges?
None of these
Which of the following rollouts id used to create a thin extruded feature by offsetting the sketch in two directions
Offset
Which mode is automatically invoked from the Profile dialogue box when you specify the start point of a line?
Parameter Mode
Three major functions of 3D CAD design tool
Part Modeling (Sketch mode/Feature Creation/Part Editing) Assembly Modeling(Degree of Freedom/Assembly constrain/CAD library) and Working Drawing (Part Drawing/Assembly Drawing)
The ___ keeps track of all the operations that are carried out on the part
Part Navigator
Which of the following options in the Insert menu allows you to project exhausting entities on the current sketching plane?
Project Curve
Which of the following threads allows the screw to get tightened when coated in the clockwise direction?
Right hand
NX uses the ___ rule to determine the direction of revolution
Right-hand thumb rule
You can invoke the ___ tool by pressing and holding the middle mouse button
Rotate
Common file format for RP machines
STL file format
The ___ option in the Measure Distance dialog box is used to measure the distance between the objects with respect to a view point
Screen Distance
The ___ tool is used to scoop out material from a model and make it hollow from inside
Shell
The ___ check box is selected to create a fill pattern
Simplified Boundary Fill
Which of the following projection output types project external elements as a single continuous spline?
Single Spline
The ___ boolean operation is used to create an extruded feature by removing material from an existing feature
Subtract
The ___ option is used to extrude the Sketch symmetrically on both sides of the plan on which the Sketch is created
Symmetric Value
Creating pad feature implies adding material to a model
True
Hole features can be placed on surfaces (sheet bodies)
True
In NX, you can create an aligned series of holes in multiple bodies
True
In NX, you can create fillets by simply dragging the cursor across the entities that you want to fillet
True
In NX, you can create three types of pockets
True
In NX, you can sweep an open section along a guide curve
True
The Auto Constrain tool allows you to apply all possible geometric constraints automatically to an entire sketch
True
The Direct Sketch group contains all the tools required to draw a sketch
True
The Finish sketch tool in the Home tab is used to exit the sketching environment
True
The Inferred Vector drop-down list in the Draft dialog box is used to specify the draw direction of the taper
True
The Modeling environment of NX is a parametric and feature-based environment
True
The Quick Trim tool is used to remove a portion of the Sketch by chopping it off
True
The Rapid Dimension tool in the Direct Sketch group is used to add all possible dimension types
True
The Reordering Features option is used to change the order in which the features are created
True
The Thread dialog box does not allow you to select the start and end of threads
True
The Until Selected option is used to extrude a sketch up to a specified face, a datum plane, or a body
True
The placement face selected for holes cannot be a nonuniform surface
True
Which of the following tools does not need a section to create a feature?
Tube
Which of the following operations allows you to join a new feature with an existing feature
Unite
The ___ option is used to extrude the sketch set up to a specified face, which does not intersect the Sketch in its current size and shape
Until Extended
Which of the following options allows to you to extrude a sketch form the sketching plane to the next surface that intersects a feature in the specified direction?
Until Next
The ___ option is used to create a revolved feature that terminates a at a specified face
Until Selected
The ___ pattern is created by placing the instances of the elected features along the circumference of an imaginary circle
circular
Slot features cannot be placed on a ____ face
conical
Name and characteristics of four free form curves
cubic spline (modeled after a physical spline) space curve (points are not all in the same plane) plane curve (quadratic, must lie in a plane) Bézier curves (used to design automobile bodies)
Grooves can be created on both ___ and ___ faces
cylindrical, conical
Four major sweep operations
extruding revolving sweeping
In NX, you can create ____ types of drafts
four
Characteristics of paramedic modeling
geometry is easy to modify features contain manufactuintg and geometric information has an assembly environment
Slots are used as a _____ for sliding a member in practical models
guide way
3D printer
less expensive for of rapid prototyping; can be conducted in an office environment
What types of problem does Kinematics Simulation solve?
making sure its moving turning rotating the way its supposed to/ fast or slow enough
Slots are ___ features
placed
Characteristics of NURBS Surface
provide a mathematical precise representation of both standard and analytic curves
B-Rep
stores the boundaries of the solid in the database along with information regarding how these entities are connected
NURBS
the general form of B-splines and Bézier curves; control points can be weighted
Three major Boolean operations
union subtraction intersection
Four display types in CAD
wireframe hidden shaded rendered
FDM
(fused deposition modeling) each layer is generated by extruding a thermoplastic material in a liquid state
SLA
(stereolithography apparatus) builds plastic parts one layer at a time by tracking a laser beam on the surface of a vat of liquid
First commercial success of CAD system
1982 Autodesk launched AutoCAD; employs geometric elements like points, lines, curves and polygons to represent images
The __ option is used to create a plane at an angle to another plane passing through an edge, linear sketched segment, or axis
At Angle
The ____ radio button is selected form the Thread dialog box to create realistic threads
Detailed
The ___ tool is used to show all the constraints applied to a sketch
Display Sketch Constraints
With of the following tools is used to create a blend (fillet) feature?
Edge Blend
When you start a new part file, the fixed datum planes are provide by default
False
You can restore the original orientation of the sketching plane by using the ___ tool in the sketch group
Orient View to Sketch
The ___ analysis is used to check the interference and clearance between the componenets in an assembly
Perform
Which of the following tools is used to add a radial dimension to a sketch?
Radius
Which one of the following rules is used to determine the direction of revolution?
Right-hand thumb rule
In the Shell dialog box, which of the following rollouts is used to select a face of a model to specify different wall thickness?
Thickness
Which of the following options is available in the Studio Spline dialog box along with the By Poles option to draw splines?
Through Points
A datum plane can be selected as the placement face for the boss feature
True
By default, the Resource Bar is located on the left side of the NX window
True
If you choose Finish Sketch tool from the Direct Sketch group to exit the Sketch environment, the Modeling environment will be invoked
True
In NX, the Radial Dimension tool is used to add the diameter dimension to the sketch members
True
In NX, while extruding a sketch, you can add a draft to it
True
In NX, you can add all types of geometric constraints by choosing the Geometric Constraints tool from the Direct Sketch group of the home tab
True
In NX, you can create a number of holes at a time using the Hole tool
True
In T-slots, the bottom width value must be greater than the top width value
True
In the Results rollout of the Move Object dialog box, you can specify whether you want to move the original entity or its copy by using the Move Original or Copy Original radio button
True
In the Tangent to Faces draft type, there is no need to select a stationary plane
True
Most of the designs created in NX consist of sketch-based features and placed features
True
NX allows you to make the projected sketched entities associative with the original entities from which they were projected
True
The files in NX are saved with .prt extension
True
While creating parallel lines, you can select only a planar face or a surface as reference object
True
While measuring an angular dimension, you can display a major or minor dimension
True
You can chamfer circular edges
True
You can invoke the Hole tool by choosing Menu>Insert>Design Feature>Hole from the Top border Bar
True
You can modify an existing design quickly using the Synchronous Modeling tools
True
You can rotate a model in 3-D space using the Rotate tool
True
You can select entities by dragging a box around them.
True
You can set display modes for solid models using buttons in the View group in the Top Border Bar
True
You can turn off the display of additional datum planes
True
You can use the dynamic input boxes to specify the exact values of the sketched entities
True
You need to choose the Sketch in Task environment tool to invoke the Sketch environment
True
Which of the following rollouts in the Edge Blend dialog box is used to create the variable radii blend feature?
Variable Radius Points
The ___ method is used to pattern features with details such as rounds and chamfers
Variational
Which of the following options is used to create a pattern of features with details such as rounds and chamfers?
Variational
In which of the following groups, you can set the display modes for solid models?
View
Sweeps
created by moving a 2D closed profile along a path; include extruding, revolving, and sweeping
What types of problem does FEA/FEM solve
force getting smaller the more you apply pressure; limited number of pieces to use tells whether or not in 15 years will the part still be working
Constrains
mathematical requirements imposed on the geometry of a 3D model
Primitives
solid entities similar to the 2D line, circle, and arc entities used in wireframe modeling
The Tangent to Faces type is used to create a draft which is ____ to the selected faces
tangent
In NX, you can create ___ types of grooves
three
BIM
(Building information modeling) a model based technology liked with a database of project information; provides a digital representation of the building process to facilitate compatibility and exchange of information in digital format; reflects the general reliance on database technology as the foundation
CAM/CAE
(Computer-Aided Manufacturing) connection between machine and CAD (ex. MasterCAM; SurfCAM)
CAID
(Computer-aided Industrial Design) subset of CAD that uses software to assist in the conceptual design of new products
CFD
(computation fluid dynamics)Fluid and thermal flow analysis
Which of the following tools is used to apply angular dimension to a sketch member ?
Angular
The ___ tool is used to animate a fully constrained sketch
Animate Dimension
You can invoke the arc mode within the Profile tool by choosing the ___ button from the Profile dialogue box
Arc
Which of the following type of cross-sections can be used to create a boss features?
Circular
Which of the following tools is used to create a chamfer feature?
Chamfer
Which of the following tools in NX is used to create concis?
Conic
Which of the following tools is used to covert a sketch member into a reference element?
Convert To/From reference
You can draw an elliptical arc by using the ___ tool
Ellipse
When you invoke the Sketch environment from the Direct Sketch group, the Profile tool is invoked by default
False
The ___ constraint is used to fix a selected entity in terms of its position with respect to the coordinate system of the current sketch
Fixed
Which of the following pocket types needs a sketch for its creation?
General Pocket
Which of the following tools is used to apply geometric constraints to a sketch?
Geometric Constraints
You can create thin features using the ___or ____ sketches
Open or close
Which of the following tools is used to create the cutout feature?
Fixed datum planes are also termed as ___ datum planes
Principle
The ___ tool is used to dimension the radius of the arc
Radial
Which one of the following is not a hole type in NX?
Sectional
The __ features are created by sweeping one or more sections along one or more guide curves such that all sections are blended together
Swept
Which of the following types of threads displays thread convention in the form of dashed lines?
Symbolic
Which of the following views is the default view in NX
Trimetric
A boss feature has a uniform diameter throughout its length
True
Features
basic 3D building blocks for creating parts
