IET154 Exam 2

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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?

Pocket

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


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