CAD-CAM and Automation MCQs with answers Page - 19

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Q. 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

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Q. 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

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

  • (A) True
  • (B) False
  • (C) ---
  • (D) ---

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Q. 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

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Q. 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

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Q. 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

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Q. 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

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Q. 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

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Q. 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

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Q. 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

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