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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