B-rep and C-Rep are the methods of a.solid modeling b.surface modeling c.wireframe modeling d.2D modeling

B-rep and C-Rep are the methods of a.solid modeling b.surface modeling c.wireframe modeling d.2D modeling
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a.solid modeling
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In the following geometric modelling techniques. which cannot be used for finiteelement analysis: a.Wireframe modelling b.Surface modelling c.Solid modeling d.none of the above

Description : In the following geometric modelling techniques. which cannot be used for finiteelement analysis: a.Wireframe modelling b.Surface modelling c.Solid modeling d.none of the above

Last Answer : d.none of the above

is an extension of the wireframe model with additional face information added. a.CSG b.B-rep c.Loft d.none of the above

Description : is an extension of the wireframe model with additional face information added. a.CSG b.B-rep c.Loft d.none of the above

Last Answer : b.B-rep

Which kind of model can store information about geometry a.Solid model b.Surface model c.Wireframe model d.none of the above

Description : Which kind of model can store information about geometry a.Solid model b.Surface model c.Wireframe model d.none of the above

Last Answer : a.Solid model

In the following three-dimensional modelling techniques. Which do not requiremuch computer time and memory? a.Surface modelling b.Solid modelling c.Wireframe modelling d.All of the above

Description : In the following three-dimensional modelling techniques. Which do not requiremuch computer time and memory? a.Surface modelling b.Solid modelling c.Wireframe modelling d.All of the above

Last Answer : c.Wireframe modelling

In the following geometric modelling techniques which are not three-dimensionalmodelling? a.Wireframe modelling b.Drafting c.Surface modelling d.solid modelling

Description : In the following geometric modelling techniques which are not three-dimensionalmodelling? a.Wireframe modelling b.Drafting c.Surface modelling d.solid modelling

Last Answer : b.Drafting

Which of the following can not be the input of CAD solid model? a.Physical mockup b.2D surface data c.Tooling d.3D CAD data

Description : Which of the following can not be the input of CAD solid model? a.Physical mockup b.2D surface data c.Tooling d.3D CAD data

Last Answer : c.Tooling

Which one of the following RP technologies uses solid sheet stock as the starting material? a.Droplet deposition manufacturing b.Fused-deposition modeling c.Laminated-Object Manufacturing d.Selective Laser Sintering

Description : Which one of the following RP technologies uses solid sheet stock as the starting material? a.Droplet deposition manufacturing b.Fused-deposition modeling c.Laminated-Object Manufacturing d.Selective Laser Sintering

Last Answer : c.Laminated-Object Manufacturing

Which of the following is not Solid-based RP system? a.Laminated Object Manufacturing (LOM) b.Paper Lamination Technology (PLT) c.Electron Beam Melting (EBM) d.Fused Deposition Modeling (FDM)

Description : Which of the following is not Solid-based RP system? a.Laminated Object Manufacturing (LOM) b.Paper Lamination Technology (PLT) c.Electron Beam Melting (EBM) d.Fused Deposition Modeling (FDM)

Last Answer : c.Electron Beam Melting (EBM)

For 3D modeling of automobile body styling, which of the following is a preferredtechnique a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Description : For 3D modeling of automobile body styling, which of the following is a preferredtechnique a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Last Answer : c.Boundary Representation

For 3D modeling of automobile body styling, which of the following is a preferredtechnique? a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Description : For 3D modeling of automobile body styling, which of the following is a preferredtechnique? a.Constructive Solid Geometry b.Pure Primitive Instancing c.Boundary Representation d.Spatial Occupancy Enumeration

Last Answer : c.Boundary Representation

Slicing a part is easier in ______ a.B-rep method b.STL method c.CSG method d.PRT method

Description : Slicing a part is easier in ______ a.B-rep method b.STL method c.CSG method d.PRT method

Last Answer : b.STL method

In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line whichpasses through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be a.(7.5, 5) b.(10, 5) c.(7.5, -5) d.(10, -5)

Description : In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line whichpasses through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be a.(7.5, 5) b.(10, 5) c.(7.5, -5) d.(10, -5)

Last Answer : b.(10, 5)

Axis-Symmetric element is Element a.1D b.2D c.3D d.4D

Description : Axis-Symmetric element is Element a.1D b.2D c.3D d.4D

Last Answer : b.2D

Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.

Description : Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.

Last Answer : c.Reflection axis

In 2D-translation, a point (x, y) can move to the new position (x’, y’) by usingthe equation a.x’=x+dx and y’=y+dx b.x’=x+dx and y’=y+dy c.X’=x+dy and Y’=y+dx d.X’=x-dx and y’=y-dy

Description : In 2D-translation, a point (x, y) can move to the new position (x’, y’) by usingthe equation a.x’=x+dx and y’=y+dx b.x’=x+dx and y’=y+dy c.X’=x+dy and Y’=y+dx d.X’=x-dx and y’=y-dy

Last Answer : b.x’=x+dx and y’=y+dy

We can combine the multiplicative and translational terms for 2D into a singlematrix representation by expanding a.2 x 2 matrix into 4x4 matrix b.2 x 2 matrix into 3 x 3 c.3 x 3 matrix into 2 x 2 d.Only c

Description : We can combine the multiplicative and translational terms for 2D into a singlematrix representation by expanding a.2 x 2 matrix into 4x4 matrix b.2 x 2 matrix into 3 x 3 c.3 x 3 matrix into 2 x 2 d.Only c

Last Answer : b.2 x 2 matrix into 3 x 3

For 2D transformation the value of third coordinate i.e. w (or h) =? a.1 b.0 c.-1 d.Any value

Description : For 2D transformation the value of third coordinate i.e. w (or h) =? a.1 b.0 c.-1 d.Any value

Last Answer : a.1

Which of the following is the last step of the rapid prototyping process? a.3D Modeling b.Data Conversion c.Building d.Postprocessing

Description : Which of the following is the last step of the rapid prototyping process? a.3D Modeling b.Data Conversion c.Building d.Postprocessing

Last Answer : d.Postprocessing

Which of the following is the firststep of the rapid prototyping process? a.3D Modeling b.Data Conversion c.Building d.Postprocessing

Description : Which of the following is the firststep of the rapid prototyping process? a.3D Modeling b.Data Conversion c.Building d.Postprocessing

Last Answer : a.3D Modeling

Which of the following RP technologies uses molten material as the starting material? a.Three-Dimensional Printing b.Fused-Deposition Modeling c.Stereolithography d.Selective Laser Sintering

Description : Which of the following RP technologies uses molten material as the starting material? a.Three-Dimensional Printing b.Fused-Deposition Modeling c.Stereolithography d.Selective Laser Sintering

Last Answer : c.Stereolithography

Which of the following RP technologies uses powders as the starting material? a.Droplet Deposition Manufacturing b.Fused-Deposition Modeling c.Selective Laser Sintering d.Stereolithography

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Last Answer : c.Selective Laser Sintering

In the context of rapid prototyping and additive manufacturing, tessellation refers to theprocess of slicing the CAD model of the part into layers. a.Droplet Deposition Manufacturing b.Used-Deposition Modeling c.Laminated-Object Manufacturing d.Stereolithography

Description : In the context of rapid prototyping and additive manufacturing, tessellation refers to theprocess of slicing the CAD model of the part into layers. a.Droplet Deposition Manufacturing b.Used-Deposition Modeling c.Laminated-Object Manufacturing d.Stereolithography

Last Answer : d.Stereolithography

Which one of the process is subtractive prototyping? a.5 axis CNC Milling b.Fused Deposition Modeling c.Multi-Jet Modeling d.Stereolithography Apparatus

Description : Which one of the process is subtractive prototyping? a.5 axis CNC Milling b.Fused Deposition Modeling c.Multi-Jet Modeling d.Stereolithography Apparatus

Last Answer : a.5 axis CNC Milling

Which of the following is not an example of additive manufacturing? a.Fused-deposition-modeling b.Electron beam machining c.SLS d.Injection molding

Description : Which of the following is not an example of additive manufacturing? a.Fused-deposition-modeling b.Electron beam machining c.SLS d.Injection molding

Last Answer : d.Injection molding

Which of the following RP system is not developed by 3D systems? a.Selective Laser Sintering (SLS) b.Multi-Jet Modeling System (MJM) c.Paper Lamination Technology (PLT) d.Stereolithography Apparatus (SLA)

Description : Which of the following RP system is not developed by 3D systems? a.Selective Laser Sintering (SLS) b.Multi-Jet Modeling System (MJM) c.Paper Lamination Technology (PLT) d.Stereolithography Apparatus (SLA)

Last Answer : c.Paper Lamination Technology (PLT)

Which two disciplines are tied by a common database? a.documentation and geometric modeling b.CAD and CAM c.drafting and documentation d.none of the mentioned

Description : Which two disciplines are tied by a common database? a.documentation and geometric modeling b.CAD and CAM c.drafting and documentation d.none of the mentioned

Last Answer : b.CAD and CAM

________ command gives an array of object in 3D modeling a.Extrude b.Revolve c.Pattern d.All of the above

Description : ________ command gives an array of object in 3D modeling a.Extrude b.Revolve c.Pattern d.All of the above

Last Answer : c.Pattern

In modeling of a tabulated cylinder, the plane of the curve is _______ a.along the curve b.normal to the curve c.along the axis of the cylinder d.perpendicular to the axis of the cylinder

Description : In modeling of a tabulated cylinder, the plane of the curve is _______ a.along the curve b.normal to the curve c.along the axis of the cylinder d.perpendicular to the axis of the cylinder

Last Answer : d.perpendicular to the axis of the cylinder

The finite element methods can be applied in ---------areas. a.thermal b.soil and rock mechanics c.vibration d.all of the above

Description : The finite element methods can be applied in ---------areas. a.thermal b.soil and rock mechanics c.vibration d.all of the above

Last Answer : d.all of the above

____ is defined as the set of technologies that can construct physical solid models from CAD data a.Rapid Production b.Rapid prototyping c.Lean Manufacturing d.Artificial intelligence

Description : ____ is defined as the set of technologies that can construct physical solid models from CAD data a.Rapid Production b.Rapid prototyping c.Lean Manufacturing d.Artificial intelligence

Last Answer : b.Rapid prototyping

Of all of the current material addition rapid prototyping technologies, which one is the mostwidely used? a.Ballistic particle manufacturing b.Selective laser sintering c.Solid ground curing d.Stereolithography

Description : Of all of the current material addition rapid prototyping technologies, which one is the mostwidely used? a.Ballistic particle manufacturing b.Selective laser sintering c.Solid ground curing d.Stereolithography

Last Answer : d.Stereolithography

Which of the following are problems with the current rapid prototyping and additivemanufacturing technologies? a.Limited material variety b.Inability to convert a solid part into layers c.Poor machinability of the starting material d.The inability of the designer to design the part

Description : Which of the following are problems with the current rapid prototyping and additivemanufacturing technologies? a.Limited material variety b.Inability to convert a solid part into layers c.Poor machinability of the starting material d.The inability of the designer to design the part

Last Answer : a.Limited material variety

A computer model of a part design on a CAD system is called which of the following? a.Computer Prototype b.Geometric Prototype c.Solid Prototype d.Virtual Prototype

Description : A computer model of a part design on a CAD system is called which of the following? a.Computer Prototype b.Geometric Prototype c.Solid Prototype d.Virtual Prototype

Last Answer : d.Virtual Prototype

From the following, in which process, the input material is in solid form? a.SLA b.SLS c.FDM d.MJM

Description : From the following, in which process, the input material is in solid form? a.SLA b.SLS c.FDM d.MJM

Last Answer : c.FDM

Which of the following is not Powder-Based RP system? a.Selective Laser Sintering (SLS) b.Solid Object Ultraviolet-Laser Printer (SOUP) c.Electron Beam Melting (EBM) d.Direct Metal Deposition (DMD)

Description : Which of the following is not Powder-Based RP system? a.Selective Laser Sintering (SLS) b.Solid Object Ultraviolet-Laser Printer (SOUP) c.Electron Beam Melting (EBM) d.Direct Metal Deposition (DMD)

Last Answer : b.Solid Object Ultraviolet-Laser Printer (SOUP)

Which of the following is not Liquid-based RP system? a.Stereolithography Apparatus (SLA) b.Laminated Object Manufacturing (LOM) c.Solid Ground Curing (SGC) d.Solid Object Ultraviolet-Laser Printer (SOUP

Description : Which of the following is not Liquid-based RP system? a.Stereolithography Apparatus (SLA) b.Laminated Object Manufacturing (LOM) c.Solid Ground Curing (SGC) d.Solid Object Ultraviolet-Laser Printer (SOUP

Last Answer : b.Laminated Object Manufacturing (LOM)

Choose the correct sequence to generate prototype a.3D CAD data - CAD solid model - STL file - RP prototype b.CAD solid model - 3D CAD data - RP prototype - STL file c.STL file - 3D CAD data - CAD solid model - RP prototype d.3D CAD data - STL file - CAD solid model - RP prototype

Description : Choose the correct sequence to generate prototype a.3D CAD data - CAD solid model - STL file - RP prototype b.CAD solid model - 3D CAD data - RP prototype - STL file c.STL file - 3D CAD data - CAD solid model - RP prototype d.3D CAD data - STL file - CAD solid model - RP prototype

Last Answer : a.3D CAD data - CAD solid model - STL file - RP prototype

In the ___________ process, one starts with a single block of solid material larger than the finalsize of the desired object and material is removed until the desired shape is reached. a.Subtractive process b.Additive process c.Formative process d.All of above

Description : In the ___________ process, one starts with a single block of solid material larger than the finalsize of the desired object and material is removed until the desired shape is reached. a.Subtractive process b.Additive process c.Formative process d.All of above

Last Answer : a.Subtractive process

The term that is used for geometric modelling like solid modelling, wire frame modellingand drafting is known as a.software package b.operating system c.application software d.none of the mentioned

Description : The term that is used for geometric modelling like solid modelling, wire frame modellingand drafting is known as a.software package b.operating system c.application software d.none of the mentioned

Last Answer : a.software package

Structuring and combining the primitives of the solid model in the graphics database,is achieved by the use of….. a.FEA b.transformations c.boolean operations d.none of the above

Description : Structuring and combining the primitives of the solid model in the graphics database,is achieved by the use of….. a.FEA b.transformations c.boolean operations d.none of the above

Last Answer : c.boolean operations

From the following, which method is also called as the Building Block Approach? a.Cellular Decomposition b.Spatial Occupancy Enumeration c.Generalized Sweeps d.Constructive Solid Geometry

Description : From the following, which method is also called as the Building Block Approach? a.Cellular Decomposition b.Spatial Occupancy Enumeration c.Generalized Sweeps d.Constructive Solid Geometry

Last Answer : d.Constructive Solid Geometry

In the following geometric primitives. which is not a solid entity of CSG modelling: a.Box b.Cone c.Cylinder d.Circle

Description : In the following geometric primitives. which is not a solid entity of CSG modelling: a.Box b.Cone c.Cylinder d.Circle

Last Answer : d.Circle

Digit 5 in Opitz system is for_________ a.Part class b.Main shape c.Additional holes, teeth and forming d.Plane surface machining

Description : Digit 5 in Opitz system is for_________ a.Part class b.Main shape c.Additional holes, teeth and forming d.Plane surface machining

Last Answer : c.Additional holes, teeth and forming

Digit 4 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 4 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : d.Plane surface machining

Digit 3 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 3 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : c.Rotational machining

Digit 2 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 2 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : b.Main shape

Digit 1 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 1 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : a.Part class

In Opitz system, 2nd digit indicates a.Type and Shape b.External shape and external shape elements c.External plane surface finishing d.Auxiliary hole and gear teeth

Description : In Opitz system, 2nd digit indicates a.Type and Shape b.External shape and external shape elements c.External plane surface finishing d.Auxiliary hole and gear teeth

Last Answer : b.External shape and external shape elements

Sensors which are come in contact with some surface to measured desired physical variable areknown as____ a.Non-contact sensors b.Proximity sensors c.Contact sensors d.None of the above

Description : Sensors which are come in contact with some surface to measured desired physical variable areknown as____ a.Non-contact sensors b.Proximity sensors c.Contact sensors d.None of the above

Last Answer : c.Contact sensors

Which material gives finest surface finish in RP? a.ABS b.PLA c.Nylon d.INF

Description : Which material gives finest surface finish in RP? a.ABS b.PLA c.Nylon d.INF

Last Answer : b.PLA