Description : In STL files when chord length decrease then accuracy _______ a.increase b.decrease c.may increase or may decrease d.remains constant
Last Answer : a.increase
Description : STL files contains ______ a.mass properties of the model b.geometrical data c.drawing data d.all of the above
Last Answer : b.geometrical data
Description : In STL files Euler’s rule for solids can be written as a.No. of faces †No. of edges + No. of vertices = 3 x No. of bodies b.No. of faces †No. of edges + No. of vertices = No. of bodies c.No. of ... = 2 x No. of bodies d.No. of faces †No. of edges + No. of vertices = 4 x No. of bodies
Last Answer : c.No. of faces – No. of edges + No. of vertices = 2 x No. of bodies
Description : The STL files translate the part geometry from a CAD system to________ a.CNC machine b.VMC machine c.RP machine d.CAPP machine
Last Answer : c.RP machine
Description : STL consists of an unordered list of _______ facets representing the outside skin of an object. a.linear b.triangular c.square d.hexagonal
Last Answer : b.triangular
Description : Which of the following is not a data interfacing format? a.STL b.SLC c.LEAF d.RP
Last Answer : d.RP
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 : What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges
Last Answer : c..stl
Description : STL file consists of which of the following format? a.ASCII b.Binary c.Both A & B d.Neither A nor B
Last Answer : c.Both A & B
Description : Which file format cannot be converted into STL file format? a..prt b..sld c..dwg d..stp
Last Answer : c..dwg
Description : STL file format is represented by interaction of ______ a.lines and hexagons b.lines and rectangles c.lines and triangles d.lines and circles
Last Answer : c.lines and triangles
Description : STL file converts curved surfaces into_______ a.Polygons b.Lines c.Surfaces d.None of the above
Last Answer : a.Polygons
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
Description : Process of converting STL file model in to layers is called________in RP a.chopping b.slicing c.cutting d.trimming
Last Answer : b.slicing
Description : For rapid prototyping 3D CAD model should be converted into______file a.SGC b.SLA c.STL d.SLS
Last Answer : c.STL
Description : Full form of STL is _____ a.Straight-lithography b.Streto-lithography c.Stereo-lithography d.Straight-lipsography
Last Answer : c.Stereo-lithography
Description : ________curves allow local control of the curve. a.Analytical b.Hermite cubic spline c.Beizer d.B-Spline
Last Answer : d.B-Spline
Description : curves allow local control of the curve a.Analytical b.Hermite cubic spline c.Beizer d.B-Spline
Description : Which of the following is not an analytical entity? a.Line b.Circle c.Spline d.Parabola
Last Answer : c.Spline
Description : In “Product Life Cycle†in _______ stage market becomes saturated a.Mature stage b.Growth stage c.Decline stage d.Introduction stage
Last Answer : a.Mature stage
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
Description : In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon. a.decrease in the number of vertices b.increase in the number of vertices c.decrease in control points d.none of the above
Last Answer : b.increase in the number of vertices
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 : Crack propagation problems come under category. a.steady-state problems b.eigenvalue problems c.transient problems d.any of the above
Last Answer : c.transient problems
Description : Finite element analysis deals with . a.approximate numerical solution b.non-boundary value problems c.Laplace equations d.All of the above
Last Answer : a.approximate numerical solution
Description : Use computers for storage and retrieval of the data for the process plans are? a.Lower-level strategies b.Intermediate strategies c.Higher-level strategies d.Morden-level strategies
Last Answer : a.Lower-level strategies
Description : Choose the right sequence for Production Flow Analysis a.PFA Chart - Data Collection - Sortation of process plans b.Data collection - PFA chart - Sortation of process plans c.Sortation of process plans - Data collection - PFA chart d.Data collection - Sortation of process plans - PFA chart
Last Answer : d.Data collection - Sortation of process plans - PFA chart
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 : 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
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
Description : Which of the following is the process of the pre-processing stage? a.Remove support b.Checking 3D CAD data c.De-powdering loose material d.Dip in a binder to strengthen the part
Last Answer : b.Checking 3D CAD data
Description : Which CAD software cannot be used to create data for the prototyping machine? a.CREO b.CATIA c.NX Unigraphics d.Adobe Illustrator
Last Answer : d.Adobe Illustrator
Description : Which one is NOT related to rapid prototyping definition? a.Layer by layer b.Physical model c.From 3D CAD data d.Production line
Last Answer : d.Production line
Description : Among the following, which one is the earliest step in Data Processing for RapidPrototyping? a.Model slicing b.Part orientation c.Tool path generation d.Support generation
Last Answer : b.Part orientation
Description : Among the following, which one is the last step in Data Processing for Rapid Prototyping? a.Model slicing b.Part orientation c.Tool path generation d.Support generation
Last Answer : c.Tool path generation
Description : Which of the following is a data interfacing format? a.HP/GL b.ACER c.ASUS d.IBM
Last Answer : a.HP/GL
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 : Input of RP data is ______ a.CAM data b.CAPP data c.CAD data d.All of the above
Last Answer : c.CAD data
Description : With reference to NC machines, which of the following statements is wrong a.Both closed-loop and open-loop control systems are used b.Paper tapes, floppy tapes and cassettes are used for data storage c.Digitizers may be used as interactive input devices d.Post processor is an item of hardware
Last Answer : c.Digitizers may be used as interactive input devices
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 : The process of putting data into a storage location is called a.reading b.writing c.controlling d.hand shaking
Last Answer : b.writing
Description : Computer will perform the data processing functions in a.NC b.CNC c.DNC d.None of the mentioned
Last Answer : b.CNC
Description : The software that is used to control the computer’s work flow, organize its data andperform housekeeping functions is known as a.operating software b.graphics software c.application software d.programming software
Last Answer : a.operating software
Description : Synthetic curve pass through defined data points and thus can be represented by a.polynomial equations b.exponential equations c.partial differential equations d.differential equations
Last Answer : a.polynomial equations
Description : When a smooth curve is approximated through the data points, then the curve is knownas a.approximation curve b.pitch curve c.data curve d.interpolant curve
Last Answer : a.approximation curve
Description : When the curve passes through all the data points, then the curve is known as a.approximation curve b.pitch curve c.data curve d.interpolant curve
Last Answer : d.interpolant curve
Description : The data representation of CSG objects is represented by a.a binary tree b.a boolean operation c.a primitive d.none of the above
Last Answer : a.a binary tree
Description : When a smooth curve is approximated through the data points, then the curve isknown as a.interpolant curve b.approximation curve c.pitch curve d.data curve
Last Answer : b.approximation curve
Description : A tessellated model is said to be valid if there are ________ a.no missing facets b.no degenerate facets c.no overlapping facets d.all of the above
Last Answer : d.all of the above
Description : If the value of Sx=1 and Sy=1 then a.Reduce the size of object b.Distort the picture c.Produce an enlargement d.No change in the size of an object
Last Answer : d.No change in the size of an object