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McqMate
Chapters
1. |
From following, the alternative name for RP is ________ |
A. | Additive Manufacturing |
B. | Layer Manufacturing |
C. | Direct CAD Manufacturing |
D. | All of the above |
Answer» D. All of the above |
2. |
Input of RP data is ______ |
A. | CAM data |
B. | CAPP data |
C. | CAD data |
D. | All of the above |
Answer» C. CAD data |
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» A. Subtractive process |
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 |
Answer» C. Formative process |
5. |
Which of the following is not subtractive process? |
A. | Milling |
B. | Stereo-lithography |
C. | Sawing |
D. | EDM |
Answer» B. Stereo-lithography |
6. |
Which of the following process is not formative process? |
A. | Bending |
B. | Plastic injection molding |
C. | Selective Laser Sintering |
D. | Forging |
Answer» C. Selective Laser Sintering |
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 |
Answer» A. 3D CAD data - CAD solid model - STL file - RP prototype |
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 |
Answer» C. Tooling |
9. |
Full form of STL is _____ |
A. | Straight-lithography |
B. | Streto-lithography |
C. | Stereo-lithography |
D. | Straight-lipsography |
Answer» C. Stereo-lithography |
10. |
For rapid prototyping 3D CAD model should be converted into______file |
A. | SGC |
B. | SLA |
C. | STL |
D. | SLS |
Answer» C. STL |
11. |
Process of converting STL file model in to layers is called________in RP |
A. | chopping |
B. | slicing |
C. | cutting |
D. | trimming |
Answer» B. slicing |
12. |
Support structures are required for ______ |
A. | thin portions |
B. | thick portions |
C. | overhanging portions |
D. | all of the above |
Answer» C. overhanging portions |
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 |
Answer» C. RP machine |
14. |
Slicing a part is easier in ______ |
A. | B-rep method |
B. | STL method |
C. | CSG method |
D. | PRT method |
Answer» B. STL method |
15. |
STL file converts curved surfaces into_______ |
A. | Polygons |
B. | Lines |
C. | Surfaces |
D. | None of the above |
Answer» A. Polygons |
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 |
Answer» B. Laminated Object Manufacturing (LOM) |
17. |
Full form of FDM is_______ |
A. | Fixed Development Modelling |
B. | Fusion Development Modelling |
C. | Fused Deposition Modelling |
D. | Focused Deposition Modelling |
Answer» C. Fused Deposition Modelling |
18. |
Full form of MJM is______ |
A. | Multi Joint Modelling |
B. | Multi Jet Modelling |
C. | Muted Jet Modelling |
D. | Mitred Jet Modelling |
Answer» B. Multi Jet Modelling |
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) |
Answer» C. Electron Beam Melting (EBM) |
20. |
Laminated Object Manufacturing (LOM) is developed by_______ |
A. | Stratasys |
B. | CAM-LEM |
C. | Kira Corporation |
D. | Cubic Technologies |
Answer» D. Cubic Technologies |
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) |
Answer» B. Solid Object Ultraviolet-Laser Printer (SOUP) |
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) |
Answer» C. Paper Lamination Technology (PLT) |
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 |
Answer» D. Photopolymer |
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 |
Answer» A. Titanium alloys |
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 |
Answer» B. Thermoplastics, Metal powders |
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 |
Answer» D. It's cheaper |
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 |
Answer» C. lines and triangles |
28. |
Which material possess the maximum strength? |
A. | ABS |
B. | PLA |
C. | Nylon |
D. | INF |
Answer» C. Nylon |
29. |
Which material can be efficiently used as a support material? |
A. | ABS |
B. | PLA |
C. | Nylon |
D. | INF |
Answer» D. INF |
30. |
Which material gives finest surface finish in RP? |
A. | ABS |
B. | PLA |
C. | Nylon |
D. | INF |
Answer» B. PLA |
31. |
Which materials possess highest melting temperature? |
A. | ABS |
B. | PLA |
C. | Nylon |
D. | INF |
Answer» C. Nylon |
32. |
Which file format cannot be converted into STL file format? |
A. | .prt |
B. | .sld |
C. | .dwg |
D. | .stp |
Answer» C. .dwg |
33. |
STL files contains ______ |
A. | mass properties of the model |
B. | geometrical data |
C. | drawing data |
D. | all of the above |
Answer» B. geometrical data |
34. |
In STL files when chord length decrease then accuracy _______ |
A. | increase |
B. | decrease |
C. | may increase or may decrease |
D. | remains constant |
Answer» A. increase |
35. |
Which of the following is least important in design during rapid prototyping? |
A. | Machine size |
B. | Tolerance |
C. | Material |
D. | CAD software |
Answer» B. Tolerance |
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 |
Answer» B. Subtractive manufacturing |
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 |
Answer» D. Injection molding |
38. |
In 4D printing, which one is the fourth dimension? |
A. | Time |
B. | Material |
C. | Sound |
D. | Light |
Answer» A. Time |
39. |
Which of the following is not a data interfacing format? |
A. | STL |
B. | SLC |
C. | LEAF |
D. | RP |
Answer» D. RP |
40. |
Which of the following is a data interfacing format? |
A. | HP/GL |
B. | ACER |
C. | ASUS |
D. | IBM |
Answer» A. HP/GL |
41. |
STL consists of an unordered list of _______ facets representing the outside skin of an object. |
A. | linear |
B. | triangular |
C. | square |
D. | hexagonal |
Answer» B. triangular |
42. |
STL file consists of which of the following format? |
A. | ASCII |
B. | Binary |
C. | Both A & B |
D. | Neither A nor B |
Answer» C. Both A & B |
43. |
STL files plague several problems as they contain no _______ data |
A. | geographical |
B. | analytical |
C. | topological |
D. | all of the above |
Answer» C. topological |
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 |
Answer» D. Boundary cutting tool paths |
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 |
Answer» D. all of the above |
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 |
Answer» C. Tool path generation |
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 |
Answer» B. Part orientation |
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 |
Answer» A. Higher resolution |
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 |
Answer» C. Lower resolution |
50. |
Which of the following is an optional section of IGES format? |
A. | Start section |
B. | Global section |
C. | Terminate section |
D. | Flag section |
Answer» D. Flag section |
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 |
Answer» D. Production line |
52. |
Which one of the processes is NOT using a laser? |
A. | FDM |
B. | SLA |
C. | SLS |
D. | LOM |
Answer» A. FDM |
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 |
Answer» D. All of the above |
54. |
Which of the following is one of the design process steps? |
A. | Build |
B. | Concept |
C. | Pre-processing |
D. | Transfer to machine |
Answer» B. Concept |
55. |
What is the format for the prototyping machine file? |
A. | .prt |
B. | .slt |
C. | .stl |
D. | .iges |
Answer» C. .stl |
56. |
Which CAD software cannot be used to create data for the prototyping machine? |
A. | CREO |
B. | CATIA |
C. | NX Unigraphics |
D. | Adobe Illustrator |
Answer» D. Adobe Illustrator |
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 |
Answer» A. 5 axis CNC Milling |
58. |
From the following, in which process, the input material is in solid form? |
A. | SLA |
B. | SLS |
C. | FDM |
D. | MJM |
Answer» C. FDM |
59. |
Which of the process, the input material is in liquid form? |
A. | LOM |
B. | SLS |
C. | FDM |
D. | MJM |
Answer» D. MJM |
60. |
Which of the process, the input material is in powder form? |
A. | LOM |
B. | SLS |
C. | FDM |
D. | MJM |
Answer» B. SLS |
61. |
Which material is NOT available for LOM process? |
A. | Paper |
B. | Plastic |
C. | Metal |
D. | Glass |
Answer» D. Glass |
62. |
Which of the process is using the extrusion concept? |
A. | SLA |
B. | SLS |
C. | FDM |
D. | MJM |
Answer» C. FDM |
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 |
Answer» B. Checking 3D CAD data |
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 |
Answer» D. Virtual Prototype |
65. |
Machining is never used for rapid prototyping because it takes too long. |
A. | True |
B. | False |
Answer» B. False |
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 |
Answer» D. Stereolithography |
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 |
Answer» C. Selective Laser Sintering |
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 |
Answer» C. Stereolithography |
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 |
Answer» C. Laminated-Object Manufacturing |
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 |
Answer» B. Plastic parts in small batch sizes |
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 |
Answer» A. Limited material variety |
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 |
Answer» D. Stereolithography |
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 |
Answer» C. Laser-Engineered Net Shaping |
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 |
Answer» D. Injection molding |
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 |
Answer» C. powder |
76. |
In Selective Laser Sintering, laser light is also being used. |
A. | True |
B. | False |
Answer» A. True |
77. |
Explicit support structures are not required in Selective Laser Sintering (SLS). |
A. | True |
B. | False |
Answer» A. True |
78. |
Which of the following process is suitable for making injection molding tools? |
A. | SL |
B. | SLS |
C. | EBM |
D. | FDM |
Answer» B. SLS |
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) |
Answer» D. Electron Beam melting (EBM) |
80. |
Which of the following is the firststep of the rapid prototyping process? |
A. | 3D Modeling |
B. | Data Conversion |
C. | Building |
D. | Postprocessing |
Answer» A. 3D Modeling |
81. |
Which of the following is the last step of the rapid prototyping process? |
A. | 3D Modeling |
B. | Data Conversion |
C. | Building |
D. | Postprocessing |
Answer» D. Postprocessing |
82. |
In STL files Euler’s rule for solids can be written as |
A. | No. of faces – No. of edges + No. of vertices = 3 x No. of bodies |
B. | No. of faces – No. of edges + No. of vertices = No. of bodies |
C. | No. of faces – No. of edges + No. of vertices = 2 x No. of bodies |
D. | No. of faces – No. of edges + No. of vertices = 4 x No. of bodies |
Answer» C. No. of faces – No. of edges + No. of vertices = 2 x No. of bodies |
83. |
Which of the following is a stage of Product Life Cycle? |
A. | Introduction stage |
B. | Growth stage |
C. | Mature stage |
D. | All of the above |
Answer» D. All of the above |
84. |
In “Product Life Cycle” a stage represents rapid growth of product sale known as_____. |
A. | Saturation stage |
B. | Mature stage |
C. | Growth stage |
D. | Introduction stage |
Answer» C. Growth stage |
85. |
In “Product Life Cycle” a stage represents a new and previously unknown product for buyers known as_____. |
A. | Mature stage |
B. | Introduction stage |
C. | Decline stage |
D. | None of the above |
Answer» B. Introduction stage |
86. |
In “Product Life Cycle” a stage in which buyers move on to other products and sales drop is known as_____. |
A. | Growth stage |
B. | Introduction stage |
C. | Mature stage |
D. | Decline stage |
Answer» D. Decline stage |
87. |
In “Product Life Cycle” in _______ stage market becomes saturated |
A. | Mature stage |
B. | Growth stage |
C. | Decline stage |
D. | Introduction stage |
Answer» A. Mature stage |
88. |
The technology life cycle concerned with the time and cost of developing the technology |
A. | True |
B. | False |
Answer» A. True |
89. |
The time duration of useful life of any product is known as a product's life cycle. |
A. | True |
B. | False |
Answer» B. False |
90. |
The technology is defined as the sophistication of a plant ,any equipment or any machine etc |
A. | True |
B. | False |
Answer» B. False |
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