Anna University Exams Nov/Dec 2015 - Regulation 2013 Computer Aided Design Important Questions
1. Anna University Exams Nov/Dec 2015 – Regulation 2013
Rejinpaul.com Unique Important Questions – 5th Semester BE/BTECH
ME6501 COMPUTER AIDED DESIGN
Unit I
1. Explain a) Bresenham’s line drawing algorithm b) Cohen Sutherland algorithm.
2. Describe various stages of design process. Brief on various keywords in Computer graphics.
3. Discuss the following: a. Role of computer in design b. CAD system architecture.
4. Discuss the following: a) Applications and benefits of CAD b) Reasons for implementing CAD
5. Briefly discuss about the following 2 – D transformations: i. Translation ii. Scaling iii. Reflection with
mirror iv. Rotation
Unit II
1. Briefly discuss about the Hermite and Bezeir curves.
2. a) With neat sketch explain the construction of B-Spline surface. (8 marks) b) Describe the ‘Bicubic
patches’ with mathematical function
3. Discuss functions and properties of geometric modeling. Describe the construction of ‘Coons patch.
4. Elucidate techniques in surface modeling
5. What are the Solid Modeling Techniques? And Explain in detail about B-rep.
Unit III
1. Converse about Hidden surface removal (HSR) and its algorithms
2. With neat sketch explain Ray-tracing algorithm n hidden surface removal.
3. Elucidate Painter’s Algorithm & Z-buffer algorithm with neat sketch.
4. Write brief note on Lighting and Smooth shading.
Unit IV
1. Enumerate Assembly modeling of parts.
2. Enumerate the following: Mating condition, Mating feature and interference fit with example.
3. (i) List out and describe various mass computed properties for a cross section. (ii) Explain Virtual
simulation.
4. (i) Describe CAD interference checking capabilities. (ii) Describe Bottom Up and Top Down assembly
design with example.
5. List out various fundamental rules for Geometric tolerance. Describe RSS for tolerance analysis wit RSS
cube.
Unit V
1. Explain various layers of GKS.
2. Discuss about IGES standards. Describe the structure of IGES file.
3. Detail the imporantance of STEP (Standard for the Exchange of Product model Data) & Continuous
Acquisition and Life-cycle Support (CALS)
4. Explain OpenGL with schematic diagram. Compare CGM and CGI
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