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 : 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 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 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 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 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 : Which of the following process is not formative process? a.Bending b.Plastic injection molding c.Selective Laser Sintering d.Forging
Description : Explicit support structures are not required in Selective Laser Sintering (SLS). a.TRUE b.FALSE c. d.
Last Answer : a.TRUE
Description : In Selective Laser Sintering, laser light is also being used. a.TRUE b.FALSE c. d.
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 of the process, the input material is in powder form? a.LOM b.SLS c.FDM d.MJM
Last Answer : b.SLS
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 : Machining is never used for rapid prototyping because it takes too long. a.TRUE b.FALSE c. d.
Last Answer : b.FALSE
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
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 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 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 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 : 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
Last Answer : c.FDM
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 : The last four digits of the Opitz classification system are ______ a.Form code b.Secondary code c.Supplementary code d.Stationary code
Last Answer : b.Secondary code
Description : The middle four digits of the Opitz classification system are ______ a.Form code b.Secondary code c.Supplementary code d.Stationary code
Last Answer : c.Supplementary code
Description : The first five digits of the Opitz classification system are ______ a.Form code b.Secondary code c.Supplementary code d.Stationary code
Last Answer : a.Form code
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 material is NOT available for LOM process? a.Paper b.Plastic c.Metal d.Glass
Last Answer : d.Glass
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 : Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer
Last Answer : d.Photopolymer
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 : The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. (A) Precipitation (B) Fusion (C) Sintering (D) Agglomeration
Last Answer : (C) Sintering
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 : 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 : 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 : Support structures are required for ______ a.thin portions b.thick portions c.overhanging portions d.all of the above
Last Answer : c.overhanging portions
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 : The following is basically a material flow simplification technique a.A simple and visual method of cell design b.Family formation by classification and codification c.Cell formation using Production Flow Analysis d.All of the above
Last Answer : c.Cell formation using Production Flow Analysis
Description : In a simple and visual method of Cell design, the priorities in classifying may be in the order a.Rotational or non rotational †Material †Size †Shape b.Material †Rotational or non ... non rotational †Material †Shape d.Shape †Rotational or non rotational †Material †Size
Last Answer : a.Rotational or non rotational – Material – Size – Shape
Description : ____ grippers are used to transfer ferrous material a.Magnetic grippers b.Mechanical grippers c.Adhesive grippers d.Vacuum cup grippers
Last Answer : a.Magnetic grippers
Description : From the following which material handling equipment is used in Robot centered layout of FMS a.Industrial Robot b.Conveyor systems c.Rail guided vehicle system d.None of the above
Last Answer : a.Industrial Robot