Deck 5: Advanced Manufacturing Method

Question 1

From following, the alternative name for Rapid Prototyping (RP) is ________

A)Additive Manufacturing
B)Layer Manufacturing
C)Direct CAD Manufacturing
D)All of the above

Answer 1

All of the above

Question 2

Input of Rapid Prototyping (RP) data is ______

A)CAM data
B)CAPP data
C)CAD data
D)All of the above

Answer 2

CAD data

Question 3

In the ___________ process, one starts with a single block of solid material larger than the final size 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

Answer 3

Subtractive process

Question 4

__________ is one where mechanical forces or restricting forms are applied on a material so as to form it into the desired shape

A)Subtractive process
B)Additive process
C)Formative process
D)All of above

Question 5

Which of the following is not subtractive process?

A)Milling
B)Stereo-lithography
C)Sawing
D)EDM

Question 6

Which of the following process is not formative process?

A)Bending
B)Plastic injection molding
C)Selective Laser Sintering
D)Forging

Question 7

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

Question 8

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

Question 9

Full form of STL is _____

A)Straight-lithography
B)Streto-lithography
C)Stereo-lithography
D)Straight-lipsography

Question 10

For rapid prototyping 3D CAD model should be converted into______file

A)SGC
B)SLA
C)STL
D)SLS

Question 11

Process of converting STL file model in to layers is called________in RP

A)chopping
B)slicing
C)cutting
D)trimming

Question 12

Support structures are required for ______

A)thin portions
B)thick portions
C)overhanging portions
D)all of the above

Question 13

The STL files translate the part geometry from a CAD system to________

A)CNC machine
B)VMC machine
C)RP machine
D)CAPP machine

Question 14

Slicing a part is easier in ______

A)B-rep method
B)STL method
C)CSG method
D)PRT method

Question 15

STL file converts curved surfaces into_______

A)Polygons
B)Lines
C)Surfaces
D)None of the above

Question 16

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

Question 17

Full form of FDM is_______

A)Fixed Development Modelling
B)Fusion Development Modelling
C)Fused Deposition Modelling
D)Focused Deposition Modelling

Question 18

Full form of MJM is______

A)Multi Joint Modelling
B)Multi Jet Modelling
C)Muted Jet Modelling
D)Mitred Jet Modelling

Question 19

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)

Question 20

Laminated Object Manufacturing (LOM) is developed by_______

A)Stratasys
B)CAM-LEM
C)Kira Corporation
D)Cubic Technologies

Question 21

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)

Question 22

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)

Question 23

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

Question 24

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

Question 25

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

Question 26

Which of the following advantage does not possess by the rapid prototyping process over the traditional prototyping process?

A)It consumes less time
B)Gives better quality
C)Reduces product launch time
D)It's cheaper

Question 27

STL file format is represented by interaction of ______

A)lines and hexagons
B)lines and rectangles
C)lines and triangles
D)lines and circles

Question 28

Which material possess the maximum strength?

A)ABS
B)PLA
C)Nylon
D)INF

Question 29

Which material can be efficiently used as a support material?

A)ABS
B)PLA
C)Nylon
D)INF

Question 30

Which material gives finest surface finish in RP?

A)ABS
B)PLA
C)Nylon
D)INF

Question 31

Which materials possess highest melting temperature?

A)ABS
B)PLA
C)Nylon
D)INF

Question 32

Which file format cannot be converted into STL file format?

A).prt
B).sld
C).dwg
D).stp

Question 33

STL files contains ______

A)mass properties of the model
B)geometrical data
C)drawing data
D)all of the above

Question 34

In STL files when chord length decrease then accuracy _______

A)increase
B)decrease
C)may increase or may decrease
D)remains constant

Question 35

Which of the following is least important in design during rapid prototyping?

A)Machine size
B)Tolerance
C)Material
D)CAD software

Question 36

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

Question 37

Which of the following is not an example of additive manufacturing?

A)Fused-deposition-modeling
B)Electron beam machining
C)SLS
D)Injection molding

Question 38

In 4D printing, which one is the fourth dimension?

A)Time
B)Material
C)Sound
D)Light

Question 39

Which of the following is not a data interfacing format?

A)STL
B)SLC
C)LEAF
D)RP

Question 40

Which of the following is a data interfacing format?

A)HP/GL
B)ACER
C)ASUS
D)IBM

Question 41

STL consists of an unordered list of _______ facets representing the outside skin of an object.

A)linear
B)triangular
C)square
D)hexagonal

Question 42

STL file consists of which of the following format?

A)ASCII
B)Binary
C)Both A & B
D)Neither A nor B

Question 43

STL files plague several problems as they contain no _______ data

A)geographical
B)analytical
C)topological
D)all of the above

Question 44

In laminated object manufacturing (LOM), which of the following cutting strategy is preferable?

A)Directional scanning
B)Zigzag tool paths
C)Contouring and spiral paths
D)Boundary cutting tool paths

Question 45

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

Question 46

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

Question 47

Among the following, which one is the earliest step in Data Processing for Rapid Prototyping?

A)Model slicing
B)Part orientation
C)Tool path generation
D)Support generation

Question 48

What type of inner structure makes the smoothest model in RP?

A)Higher resolution
B)Larger polygons
C)Lower resolution
D)None of the above

Question 49

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

Question 50

Which of the following is an optional section of IGES format?

A)Start section
B)Global section
C)Terminate section
D)Flag section

Question 51

Which one is NOT related to rapid prototyping definition?

A)Layer by layer
B)Physical model
C)From 3D CAD data
D)Production line

Question 52

Which one of the processes is NOT using a laser?

A)FDM
B)SLA
C)SLS
D)LOM

Question 53

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

Question 54

Which of the following is one of the design process steps?

A)Build
B)Concept
C)Pre-processing
D)Transfer to machine

Question 55

What is the format for the prototyping machine file?

A).prt
B).slt
C).stl
D).iges

Question 56

Which CAD software cannot be used to create data for the prototyping machine?

A)CREO
B)CATIA
C)NX Unigraphics
D)Adobe Illustrator

Question 57

Which one of the process is subtractive prototyping?

A)5 axis CNC Milling
B)Fused Deposition Modeling
C)Multi-Jet Modeling
D)Stereolithography Apparatus

Question 58

From the following, in which process, the input material is in solid form?

A)SLA
B)SLS
C)FDM
D)MJM

Question 59

Which of the process, the input material is in liquid form?

A)LOM
B)SLS
C)FDM
D)MJM

Question 60

Which of the process, the input material is in powder form?

A)LOM
B)SLS
C)FDM
D)MJM

Question 61

Which material is NOT available for LOM process?

A)Paper
B)Plastic
C)Metal
D)Glass

Question 62

Which of the process is using the extrusion concept?

A)SLA
B)SLS
C)FDM
D)MJM

Question 63

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

Question 64

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

Question 65

Machining is never used for rapid prototyping because it takes too long.

Question 66

In the context of rapid prototyping and additive manufacturing, tessellation refers to the process of slicing the CAD model of the part into layers.

A)Droplet Deposition Manufacturing
B)Used-Deposition Modeling
C)Laminated-Object Manufacturing
D)Stereolithography

Question 67

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

Question 68

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

Question 69

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

Question 70

Which of the following are examples of appropriate applications of additive manufacturing in the 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

Question 71

Which of the following are problems with the current rapid prototyping and additive manufacturing 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

Question 72

Of all of the current material addition rapid prototyping technologies, which one is the most widely used?

A)Ballistic particle manufacturing
B)Selective laser sintering
C)Solid ground curing
D)Stereolithography

Question 73

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

Question 74

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

Question 75

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

Question 76

In Selective Laser Sintering, laser light is also being used.

Question 77

Explicit support structures are not required in Selective Laser Sintering (SLS).

Question 78

Which of the following process is suitable for making injection molding tools?

A)SL
B)SLS
C)EBM
D)FDM

Question 79

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)

Question 80

Which of the following is the firststep of the rapid prototyping process?

A)3D Modeling
B)Data Conversion
C)Building
D)Postprocessing