Description : Which of the following is least important in design during rapid prototyping? a.Machine size b.Tolerance c.Material d.CAD software
Last Answer : b.Tolerance
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 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 : 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
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 : What is the format for the prototyping machine file? a..prt b..slt c..stl d..iges
Last Answer : c..stl
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 : 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 : 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 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 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 : 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 : 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 : 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 : 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 : Machining is never used for rapid prototyping because it takes too long. a.TRUE b.FALSE c. d.
Last Answer : b.FALSE
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
Description : Which of the following advantage does not possess by the rapid prototyping process over thetraditional prototyping process? a.It consumes less time b.Gives better quality c.Reduces product launch time d.It's cheaper
Last Answer : d.It's cheaper
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 : From following, the alternative name for RP is ________ a.Additive Manufacturing b.Layer Manufacturing c.Direct CAD Manufacturing d.All of the above
Last Answer : d.All of the above
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)
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
Description : CAD/CAM is the relationship between a.science and engineering b.manufacturing and marketing c.design and manufacturing d.design and marketing
Last Answer : c.design and manufacturing
Description : In a 2-D CAD package, clockwise circular arc of radius, 5, specified from P1 (15,10)to P2 (10,15)will have its center at a.(10, 10) b.(15, 10) c.(15, 15) d.(10, 15)
Last Answer : a.(10, 10)
Description : A system that automates the drafting process with interactive computer graphics iscalled a.Computer Aided Engineering (CAE) b.Computer Aided Design (CAD) c.Computer Aided Manufacturing (CAM) d.Computer Aided Instruction (CAI)
Last Answer : b.Computer Aided Design (CAD)
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 : To create a hollow part, which of the following command would be most efficient a.Extrude b.Sweep c.Shell d.Revolve
Last Answer : c.Shell
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
Description : To create a hollow part, which of the following command would be most efficient? a.Extrude b.Sweep c.Shell d.Revolve
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
Description : Which file format cannot be converted into STL file format? a..prt b..sld c..dwg d..stp
Last Answer : c..dwg
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 : In which type of projection, actual dimensions and angles of objects andtherefore shapes cannot be preserved? a.Orthographic b.Isometric c.Perspective d.None of the above
Last Answer : c.Perspective
Description : If the scaling factors values Sx and Sy are assigned to unequal values then a.Uniform rotation is produced b.Uniform scaling is produced c.Differential scaling is produced d.Scaling cannot be done
Last Answer : c.Differential scaling is produced
Description : If the scaling factors values sx and sy are assigned to the same value then……… a.Uniform rotation is produced b.Uniform scaling is produced c.Scaling cannot be done d.Scaling can be done or cannot be done
Last Answer : b.Uniform scaling is produced
Description : The technology is defined as the sophistication of a plant ,any equipment or any machine etc a.TRUE b.FALSE c.D d.
Description : ____ is a general purpose, programmable machine possessing certain human like characteristics a.Robot b.Manipulator c.Gripper d.None of the above
Last Answer : a.Robot
Description : From the following in which FMS layout machine tools are kept along a straight line. a.Loop layout b.In line layout c.Ladder layout d.Open field layout
Last Answer : b.In line layout
Description : ____ is a highly automated group of GT machine cell. a.Flexible manufacturing system b.Group technology c.Automated system d.None of the above
Last Answer : a.Flexible manufacturing system
Description : From the following which is the step of machine cell design? a.Divide parts into part families b.Select type of machine cell c.Prepare a composite part d.All of the above
Description : In which layout manufacturing is done according to machine arrangement a.GT layout b.Product layout c.Process layout d.Hybrid layout
Last Answer : c.Process layout
Description : Which of the following is one of the design process steps? a.Build b.Concept c.Pre-processing d.Transfer to machine
Last Answer : b.Concept
Description : Which of the following is the process in the RP cycle? a.Post-processing b.Transfer to machine c.Pre-processing d.All of the above
Description : The lost motion in CNC machine tool is on account of a.Backlash in gearing b.Wind-up of drive shafts c.Deflection of machine tool members d.All the above
Last Answer : a.Backlash in gearing
Description : In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right ... , 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)
Last Answer : a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)
Description : In the CNC machine which device used to hold the workpiece? a.Automatic pallet changer b.Automatic work part positioner c.A & B both d.None of the above
Last Answer : c.A & B both
Description : In which system we get feedback? a.Open-loop system b.Machine control system c.Closed-loop system d.None of the above
Last Answer : c.Closed-loop system
Description : In which machine we get feedback? a.Lathe machine b.NC machine c.CNC machine d.Milling machine
Last Answer : c.CNC machine
Description : The machine tool, in which calculation and setting of the operating conditions like depth ofcut, feed, speed are done during the machining by the control system itself, is called a.Computer Numerical Control System b.Direct Numerical Control System c.Machining Center System d.Adaptive Control System
Last Answer : d.Adaptive Control System