Download GTU BE/B.Tech 2018 Winter 8th Sem New 2181914 Rapid Prototyping Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 8th Sem New 2181914 Rapid Prototyping Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2181914 Date: 15/11/2018

Subject Name: Rapid Prototyping

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a)
Which type of Part building errors in SLS?
03
(b) What is Material and technological aspects in RP Processes?
Generic RP process.

Generic RP process.

04
(c)
Differentiate between Traditional Prototyping Vs. Rapid Prototyping.
07

Q.2 (a)
Classify a Rapid Manufacturing Processes.

03
(b) Explain a Direct Metal Deposition (DMD) in RP Processes

04
(c) Explain in detail the structure of .STL file format and Enlighten the importance of .STL
file format in RP.

07
OR
(c) Differentiate Subtractive Prototyping process and Additive Prototyping process. 07
Q.3 (a) Explain Generic RP process with neat sketch. 03
(b) Comparison of RP Process with various rapid manufacturing processes. 04
(c) Describe a Laminated Object Manufacturing (LOM) process.

07
OR
Q.3 (a) Write a Drawback of Rapid Prototyping Process. 03
(b) Explain in brief Stereo-lithography process.

04
(c) Explain Importance of part orientation in RP process in detail with neat sketch.

07
Q.4 (a) Explain silicon rubber tooling. 03
(b)
Write a Various applications of 3D Printer.
04
(c) Explain the procedure of slicing with flowchart.

07
OR
Q.4 (a) Explain Tool path generation in Rapid Prototyping.

03
(b) Give the classification of slicing procedure. 04
(c) List the various types of solid models and write the advantages and disadvantages of
B-Rep models with neat sketch.
07
Q.5 (a) List out the different errors occurs in RP processes 03
(b) Comparison between Selective laser Sintering (SLS) and 3D Printer.

04
(c) Explain Pre-Processing and Post-Processing Error in RP Process. 07
OR

Q.5 (a) What are the different Rapid Tooling techniques?

03
(b) Explain in briefly Fused Deposition Modeling process 04
(c) Explain Beam Deposition (LENS) Rapid Prototyping process in detail with neat sketch.

07

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