> 03000ME308052002 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Sixth semester B.Tech degree examinations (S), September 2020

Course Code: ME308
Course Name: COMPUTER AIDED DESIGN AND ANALYSIS
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any three full questions, each carries 10 marks. Marks
1 ஐ What are steps in conventional design? Which of these can be computerised? (6)
b) List some engineering applications of CAD. (4)
2 a) Name two software packages each used in CAD, CAM and CAE. (6)
b) Name and describe any two data exchange formats for computer graphics. (4)
3 a) What is homogeneous coordinate system and explain it use? (4)

b) Write the transformation matrices for rotation about z, y and x axes in
homogenous coordinates. (6)

4 a) Represent the tetrahedron with vertices (2,2,1), (5,3,1), (3,1,3) and (4,7,2) in
matrix with homogeneous coordinates. (3)

b) Determine the transformation matrix for displaying the top view of above

tetrahedron, and sketch the top view. (7)
PART ‏تا‎
‎Answer any three full questions, each carries 10 marks.

5 9) What are the drawbacks of DDA line drawing algorithm? (4)

0) Digitise and plot the line with endpoints (2,4) and (6,9) using any line drawing
algorithm. (6)

6 ച Calculate the slope of the tangent and normal to the function y = 3x*+2x"-x+5 at
x=2 (4)

b) What are Hermite curves? What are the methods to modify the shape of Hermite
curves? (6)
7 2) What are the limitations of Hermite curves? (5)
b) What is the advantage of B-Spline curve over Bezier curve? (5)
8 a) What is blending function? List some properties of the blending function. (6)
b) Name and describe any two methods for representing solid models. (4)

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