In 4D printing, which one is the fourth dimension? a.Time b.Material c.Sound d.Light

1 Answer

Answer :

a.Time

Related questions

Description : Axis-Symmetric element is Element a.1D b.2D c.3D d.4D

Last Answer : b.2D

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 : Incremental dimension in circular interpolation in X-axis is denoted by a.J b.I c.K d.None of the above

Last Answer : b.I

Description : In a CNC program block, N02 GO2 G91 X40 Z40††, GO2 and G91 refer to a.circular interpolation in counter clockwise direction and incremental dimension b.circular ... in clockwise direction and incremental dimension d.circular interpolation in clockwise direction and absolute dimension

Last Answer : c.circular interpolation in clockwise direction and incremental dimension

Description : is defined as the ratio of the largest dimension of theelement to the smallest dimension. a.Element depth ratio b.Mode shape ratio c.Aspect ratio d.None of the above

Last Answer : c.Aspect ratio

Description : Liquid crystal elastomers 4D printing material achieve their activation due to a. Light b. Heat c. Electrical d. All of the above

Last Answer : Ans:- d. All of the above

Description : What type of inner structure can be used to reduce the printing time of the model in RP? a.Higher resolution b.Smaller polygons c.Lower resolution d.None of the above

Last Answer : c.Lower resolution

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 : 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

Description : From the following which material handling equipment is used in ladder layout of FMS a.Conveyor systems b.AGVS c.Both A & B d.None of the above

Last Answer : c.Both A & B

Description : From the following which is the function of material handling system used in FMS a.Handling of parts with different variety b.Independent movement of part between stations c.Both A & B d.None of the above

Last Answer : b.Independent movement of part between stations

Description : From which of the following is not the main element of Flexible manufacturing system a.Work handling system b.Material handling system c.Tool handling system d.Main frame computer

Last Answer : a.Work handling system

Description : From the following in which FMS layout robots are used as material handling system a.Ladder layout b.Open field layout c.Loop layout d.Robot centered layout

Last Answer : d.Robot centered layout

Description : From the following which is not the application of AGV. a.Truck loading and unloading b.To change the tool c.Material transfer d.Paper roll transfer

Last Answer : b.To change the tool

Description : From the following which is the main components of Flexible manufacturing system(FMS). a.Main frame computer b.Automated guided vehicle c.Material handling system d.All of the above

Last Answer : d.All of the above

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 : 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 : 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 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 process, the input material is in powder form? a.LOM b.SLS c.FDM d.MJM

Last Answer : b.SLS

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 : 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 : Which material gives finest surface finish in RP? a.ABS b.PLA c.Nylon d.INF

Last Answer : b.PLA

Description : Which material can be efficiently used as a support material? a.ABS b.PLA c.Nylon d.INF

Last Answer : d.INF

Description : Which material possess the maximum strength? a.ABS b.PLA c.Nylon d.INF

Last Answer : c.Nylon

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 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 : __________ 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 : Stiffness matrix depends on a.material b.geometry c.both material and geometry d.none of the above

Last Answer : c.both material and geometry

Description : ____ grippers are used to pick up light weight materials such as paper,cloth etc a.Mechanical grippers b.Adhesive grippers c.Vacuum cup grippers d.Magnetic grippers

Last Answer : b.Adhesive grippers

Description : In Selective Laser Sintering, laser light is also being used. a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

Description : From which of the following is benefit of computer integrated manufacturing(CIM). a.Reduced lead time b.Increased production time c.Reduced productivity d.All of the above

Last Answer : a.Reduced lead time

Description : Form which of the following is the objective of cellular manufacturing. a.Reduced manufacturing lead time b.Increased in quality c.Reduced setup time d.All of the above

Last Answer : d.All of the above

Description : The time duration of useful life of any product is known as a product's life cycle. a.TRUE b.FALSE c. d.

Last Answer : b.FALSE

Description : The technology life cycle concerned with the time and cost of developing the technology a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

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 : 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 : In the following three-dimensional modelling techniques. Which do not requiremuch computer time and memory? a.Surface modelling b.Solid modelling c.Wireframe modelling d.All of the above

Last Answer : c.Wireframe modelling

Description : Which one of the following statements is TRUE? a.Teach pendant is used for lead-through teaching. b.Teach pendant is used for manual teaching. c.Teach pendant is used for off-line teaching of robots. d.Teach pendant is not used in robot teaching.

Last Answer : b.Teach pendant is used for manual teaching.

Description : A company is producing 15000 mobiles annually. Determine production scale of company a.Low Production b.Medium Production c.High Production d.None

Last Answer : c.High Production

Description : --------is a manufacturing system in which sequence of operation is fixed by equipmentconfiguration a.Flexible b.Programmable c.Fixed d.All of above

Last Answer : c.Fixed