IET 154 Final Exam questions with verified answers
_______ is a named quantity whose value can be changed. Its dimension control
size and position of model. It can also add relationships between the others.
Ans✓✓✓-Parameter
________ is a data structure employed describing solid models. It stores the
model data in terms of the solid primitives and Boolean operations that used to
combine them. Ans✓✓✓-Constructive Solid Geometry (CSG)
________ is a subject of CAD that uses software to assist in the conceptual design
of new products. Ans✓✓✓-Computer Aided Industrial Design (CAID)
_________ can be determined as a set of decision-making processes and activities
that are used to determine the form of a product, component, system, or process,
given the functions desired by customer. Ans✓✓✓-Engineering Design
___________ is section view of symmetrical objects formed by passing the cutting
plane in such a manner so as to show both the interior and exterior of the object.
Ans✓✓✓-Half Section
___________ strive to minimize the late- occurring design changes by formalizing
the relationship between design and manufacturing Ans✓✓✓-DFM
____________ are used to represent symmetry and paths of motion and to mark
centers of circles and axes of symmetrical parts, such as cylinder and bolts.
Ans✓✓✓-Center Lines
3D Printer Ans✓✓✓-Based on inkjet printing
,Provides full color printing
A __________ is characterized by control polygon, which bounds the curve, and
control points. Ans✓✓✓-Bezier Curve
A ___________ can be used to represent analytic curves like straight lines, circles,
and other conics, it is widely adopted by surface modeling programs to model
curves and surfaces. Ans✓✓✓-Nurbs Curve
A ___________ is consequently referred to as a "Piecewise parametric polynomial
curve." Ans✓✓✓-Spline Curve
A dictionary definition of _________ is to shorten by proportionately contracting
in the direction of depth so that the illusion of projection or extension in space is
obtained. Ans✓✓✓-Foreshorten
B-Rep
(Boundary Representation) Ans✓✓✓-Stores the boundaries of the solid in the
database, along with info. regarding how these entities are connected.
B-Rep of simple solid model Ans✓✓✓-book
B-Rep represent of face Ans✓✓✓-"Polyhedron"
BIM
(Building Information Modeling) Ans✓✓✓-A model-based technology linked with
a database of project information.
,Boolean Operations (3) Ans✓✓✓-union, subtraction, intersection
CAD downstream applications Ans✓✓✓-CAM-CNC, CAE
CAE
(Computer Aided Engineering) Ans✓✓✓-Sidekick of CAM
CAID
(Computer Aided Industrial Design) Ans✓✓✓-(cars) make sure everything works,
but still looks nice
CAID
(Computer Aided Industrial Design) Ans✓✓✓-A subset of CAD that uses software
to assist in the conceptual design of new products.
CAM
(Computer Aided Manufacturing) Ans✓✓✓-The list of directions to make a part
CAPD
(Computer Aided Product Design) Ans✓✓✓-good structure more mechanical
CFD
(Computation Fluid Dynamics) Ans✓✓✓-Analysis on system before parts are
made
, Characteristic of assembly modeling? Ans✓✓✓--overcome dumb solids
-easy to modify
-manufacturing/geometric information are stored
-dimensions are parametric
-model history is available
-assembly environment
Characteristics of NURBS Surface Ans✓✓✓-1.) Operations can be applied by
applying them to their control points
2.) Offer one common mathematical form for both standard analytical and free
form shapes.
3.) Provide flexibility to design a large variety of shapes
4.) Reduce the memory consumption when storing shapes
5.) Be evaluated quickly
Characteristics of Parametric Modeling Ans✓✓✓-Overcome dumb solids
Easy to Modify
Manufacturing/Geometric info. kept
Dimensions are parametric
Model history is available
Assembly environments
CNC
_______ is a named quantity whose value can be changed. Its dimension control
size and position of model. It can also add relationships between the others.
Ans✓✓✓-Parameter
________ is a data structure employed describing solid models. It stores the
model data in terms of the solid primitives and Boolean operations that used to
combine them. Ans✓✓✓-Constructive Solid Geometry (CSG)
________ is a subject of CAD that uses software to assist in the conceptual design
of new products. Ans✓✓✓-Computer Aided Industrial Design (CAID)
_________ can be determined as a set of decision-making processes and activities
that are used to determine the form of a product, component, system, or process,
given the functions desired by customer. Ans✓✓✓-Engineering Design
___________ is section view of symmetrical objects formed by passing the cutting
plane in such a manner so as to show both the interior and exterior of the object.
Ans✓✓✓-Half Section
___________ strive to minimize the late- occurring design changes by formalizing
the relationship between design and manufacturing Ans✓✓✓-DFM
____________ are used to represent symmetry and paths of motion and to mark
centers of circles and axes of symmetrical parts, such as cylinder and bolts.
Ans✓✓✓-Center Lines
3D Printer Ans✓✓✓-Based on inkjet printing
,Provides full color printing
A __________ is characterized by control polygon, which bounds the curve, and
control points. Ans✓✓✓-Bezier Curve
A ___________ can be used to represent analytic curves like straight lines, circles,
and other conics, it is widely adopted by surface modeling programs to model
curves and surfaces. Ans✓✓✓-Nurbs Curve
A ___________ is consequently referred to as a "Piecewise parametric polynomial
curve." Ans✓✓✓-Spline Curve
A dictionary definition of _________ is to shorten by proportionately contracting
in the direction of depth so that the illusion of projection or extension in space is
obtained. Ans✓✓✓-Foreshorten
B-Rep
(Boundary Representation) Ans✓✓✓-Stores the boundaries of the solid in the
database, along with info. regarding how these entities are connected.
B-Rep of simple solid model Ans✓✓✓-book
B-Rep represent of face Ans✓✓✓-"Polyhedron"
BIM
(Building Information Modeling) Ans✓✓✓-A model-based technology linked with
a database of project information.
,Boolean Operations (3) Ans✓✓✓-union, subtraction, intersection
CAD downstream applications Ans✓✓✓-CAM-CNC, CAE
CAE
(Computer Aided Engineering) Ans✓✓✓-Sidekick of CAM
CAID
(Computer Aided Industrial Design) Ans✓✓✓-(cars) make sure everything works,
but still looks nice
CAID
(Computer Aided Industrial Design) Ans✓✓✓-A subset of CAD that uses software
to assist in the conceptual design of new products.
CAM
(Computer Aided Manufacturing) Ans✓✓✓-The list of directions to make a part
CAPD
(Computer Aided Product Design) Ans✓✓✓-good structure more mechanical
CFD
(Computation Fluid Dynamics) Ans✓✓✓-Analysis on system before parts are
made
, Characteristic of assembly modeling? Ans✓✓✓--overcome dumb solids
-easy to modify
-manufacturing/geometric information are stored
-dimensions are parametric
-model history is available
-assembly environment
Characteristics of NURBS Surface Ans✓✓✓-1.) Operations can be applied by
applying them to their control points
2.) Offer one common mathematical form for both standard analytical and free
form shapes.
3.) Provide flexibility to design a large variety of shapes
4.) Reduce the memory consumption when storing shapes
5.) Be evaluated quickly
Characteristics of Parametric Modeling Ans✓✓✓-Overcome dumb solids
Easy to Modify
Manufacturing/Geometric info. kept
Dimensions are parametric
Model history is available
Assembly environments
CNC
