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 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 : 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 : 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 : 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
Last Answer : c.Selective Laser Sintering
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 process is suitable for making injection molding tools? a.SL b.SLS c.EBM d.FDM
Last Answer : b.SLS
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 : 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 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)
Description : Which one of the following is not a direct rapid tooling method? a.LOM Composite b.Direct AIM (ACES Injection Molding) c.Sand Molding d.Injection molding
Last Answer : d.Injection molding
Description : Which one of the following is not a rapid indirect tooling method? a.Vacuum Casting b.Investment Casting c.Laser-Engineered Net Shaping d.Injection molding
Last Answer : c.Laser-Engineered Net Shaping
Description : Which of the following process is not formative process? a.Bending b.Plastic injection molding c.Selective Laser Sintering d.Forging
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 are examples of appropriate applications of additive manufacturing inthe actual production of parts and products? a.Castings made in small quantities b.Plastic parts in small batch sizes c.Mass-produced metal parts d.Special textile products
Last Answer : b.Plastic parts in small batch sizes
Description : Drilling, milling and threading are examples of which kind of processes? a.Additive manufacturing b.Subtractive manufacturing c.Formative manufacturing d.None of the above
Last Answer : b.Subtractive manufacturing
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 : Explicit support structures are not required in Selective Laser Sintering (SLS). a.TRUE b.FALSE c. d.
Last Answer : a.TRUE
Description : Which of the process is using the extrusion concept? a.SLA b.SLS c.FDM d.MJM
Last Answer : c.FDM
Description : Which of the process, the input material is in powder form? a.LOM b.SLS c.FDM d.MJM
Description : Which of the process, the input material is in liquid form? a.LOM b.SLS c.FDM d.MJM
Last Answer : d.MJM
Description : From the following, in which process, the input material is in solid form? a.SLA b.SLS c.FDM d.MJM
Description : Which one of the processes is NOT using a laser? a.FDM b.SLA c.SLS d.LOM
Last Answer : a.FDM
Description : Which of the following is used as base material in Selective laser sintering (SLS)? a.Photopolymer b.Thermoplastics, Metal powders c.Titanium alloys d.Various materials
Last Answer : b.Thermoplastics, Metal powders
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 : 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 the process of Selective Laser Sintering, raw material used is in the form of ______ a.machining wax b.foam core c.powder d.rubber
Last Answer : c.powder
Description : Machining is never used for rapid prototyping because it takes too long. a.TRUE b.FALSE c. d.
Last Answer : b.FALSE
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 : 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
Description : In CNC machining tool radius compensation turning the left mode ON programming contourdone by a.G40 b.G41 c.G42 d.G43
Last Answer : b.G41
Description : XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19
Last Answer : b.G17
Description : For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.
Description : In CNC systems multiple microprocessors and programmable logic controllers work a.in parallel b.in series c.one after the other d.for 80% of the total machining time
Last Answer : a.in parallel
Description : CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping
Last Answer : c.welding
Description : n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) alonga circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion ... 0 I5.0 J2.0 c.N010 GO1 X7.0 Y2.0 I5.0 J2.0 d.N010 GOO X7.0 Y2.0 I5.0 J2.0
Last Answer : b.N010 GO2 X7.0 Y2.0 I5.0 J2.0
Description : Which of the following is used as base material in Electron Beam Melting (EBM) process? a.Titanium alloys b.Photopolymer c.Various materials d.Paper
Last Answer : a.Titanium alloys
Description : __________ is one where mechanical forces or restricting forms are applied on a material so asto form it into the desired shape a.Subtractive process b.Additive process c.Formative process d.All of above
Last Answer : c.Formative process
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 : Two successive translations are a.Multiplicative b.Inverse c.Subtractive d.Additive
Last Answer : d.Additive
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 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 : 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 : ________ command gives an array of object in 3D modeling a.Extrude b.Revolve c.Pattern d.All of the above
Last Answer : c.Pattern
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