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**Anna University Question Paper Code :71096**

**M.E. DEGREE EXAMINATION, JUNE/JULY 2013.**

**First Semester**

**Computer Aided Design**

**CD 9211/CD 102 COMPUTER APPLICATIONS IN DESIGN**

**(Common to M.E. CAD/GAM, M.E. Engineering Design and M.E. Product Design and Development)**

**(Regulation 2009/2010)**

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**ANNA UNIVERSITY SYLLABUS: CLICK HERE**

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**PART A (10 - 20 marks)**

1. What is meant by concatenation?

2. Write the blending function for Bezier curve.

3. List some Auto LISP function used to draw 2D entities.

4. Give example for prismatic and revolved parts.

5. Compare Sweep representations and boundary representations.

6. What is ICES and STEP?

7. Name some shading techniques for Visual realism.

8. had is variation geometry?

9. What is tolerances analysis?

10. Why is mass properties calculation important?

**PART B (5 x 16 = 80 marks)**

11. (a) (i) Explain the windowing transformation with example. (8) (ii) Describe and demonstrate Bresenham's line algorithm. (8)

Or

(b) The two coordinates of a straight line are (6,9) and (6,5). Reduce the straight line to half size in the same position. Derive the matrix involved for the above scaling operation.

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