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
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
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
Description : B-rep and C-Rep are the methods of a.solid modeling b.surface modeling c.wireframe modeling d.2D modeling
Last Answer : a.solid modeling
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
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
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
Description : Which one of the following is not Extrusion-Based RP Systems? a.Fused Deposition Modelling (FDM) b.3D Printing c.Sheet Lamination (Laminated Object Manufacturing (LOM)) d.Electron Beam melting (EBM)
Last Answer : d.Electron Beam melting (EBM)
Description : Full form of MJM is______ a.Multi Joint Modelling b.Multi Jet Modelling c.Muted Jet Modelling d.Mitred Jet Modelling
Last Answer : b.Multi Jet Modelling
Description : Full form of FDM is_______ a.Fixed Development Modelling b.Fusion Development Modelling c.Fused Deposition Modelling d.Focused Deposition Modelling
Last Answer : c.Fused Deposition Modelling
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
Description : The applications of the Finite Element Method in two-dimensional analyses are . a.stretching of plates b.gravity of dams c.axisymmetric shells d.all of the above
Last Answer : c.axisymmetric shells
Description : Example for one – Dimensional element is . a.triangular element b.brick element c.truss element d.axisymmetric element
Last Answer : c.truss element
Description : From the following, which type of element is not two dimensional? a.Tetrahedron b.Quadrilateral c.Parallelogram d.Rectangle
Last Answer : a.Tetrahedron
Description : Which of the following uses a number of two-dimensional profiles for generating athree-dimensional object? a.Tweaking b.Lofting c.Filleting d.none of the above
Last Answer : b.Lofting
Description : A two dimensional rotation is applied to an object by a.Repositioning it along with straight line path b.Repositioning it along with circular path c.Only b d.Any of the mentioned
Last Answer : c.Only b
Description : The two-dimensional translation equation in the matrix form is a.P’=P+T b.P’=P-T c.P’=P*T d.P’=P
Last Answer : a.P’=P+T
Description : We translate a two-dimensional point by adding a.Translation distances b.Translation difference c.X and Y d.Only a
Last Answer : d.Only a
Description : In Coordinates, a points in n-dimensional space is represent by(n+1) coordinates. a.Scaling b.Homogeneous c.Inverse transformation d.3D Transformation
Last Answer : b.Homogeneous
Description : The two-dimensional rotation equation in the matrix form is a.P’=T+P b.P’=S*P c.P’=R*P d.P’=dx+dy
Last Answer : c.P’=R*P
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
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
Description : A Pixel is a.a computer program that draws picture b.A picture stored in secondary memory c.The smallest resolvable part of a picture d.All of the above
Last Answer : c.The smallest resolvable part of a picture
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
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
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
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
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
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)
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)
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)
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
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
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
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
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
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
Description : The process of copying data from a memory location is called a.reading b.writing c.controlling d.hand shaking
Last Answer : a.reading
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
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
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
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
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
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
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
Description : Which material gives finest surface finish in RP? a.ABS b.PLA c.Nylon d.INF
Last Answer : b.PLA
Description : The distance of a given tool tip from the surface of workpiece is known as….. a.Tool length b.Tool length offset H c.Cutter radius d.Compensation
Last Answer : b.Tool length offset H
Description : he depth that the tool is plunged into the surface is called as a.feed b.depth of cut c.depth of tool d.working depth
Last Answer : b.depth of cut
Description : The truss element can resist only a.surface force b.axial force c.point load d.none of the above
Last Answer : b.axial force
Description : The ___________ is used to create a surface using curves that form closed boundaries a.ruled Surface b.plane Surface c.coons patch d.surface of Revolution
Last Answer : c.coons patch