GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-VI(NEW) — EXAMINATION - SUMMER 2019
--- Content provided by FirstRanker.com ---
Subject Code:2162006 Date:18/05/2019
Subject Name:Computer Aided Design for Mechatronics
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1 (a) What do you mean by CAD/CAM? State limitations of it. (03)
(b) Draw the product Cycle with CAD/ CAM. (04)
(c) What is Computer Graphics? Give benefits & general application of it. (07)
--- Content provided by FirstRanker.com ---
Q.2 (a) Explain the Working of Digitizers & Laser Printers. (03)
(b) Compare between vector display & Raster Display. (04)
(c) Explain Brensham’s Algorithm for generation of Circles & also write down advantages of it. (07)
OR
(c) What is Graphic Standards? Enlist them. Explain any one of them in brief. (07)
--- Content provided by FirstRanker.com ---
Q.3 (a) Differentiate between B-rep & CSG. (03)
(b) Identify the pixel location that will be chosen by the DDA algorithm while scan converting a line from screen co-ordinate (10, 30) to (19, 36). (04)
(c) A rectangle is formed by four points whose coordinates are: (50, 50), B (100,100), C (100, 80) & D (50, 80). Determine the coordinate’s of four points for new rectangle in reduced size using the scaling factors 0.5 & 0.6 along X & Y direction respectively. (07)
OR
Q.3 (a) Define following terms: i) Inverse Transformation ii) Homogeneous co-ordinate system (03)
--- Content provided by FirstRanker.com ---
(b) Comparision between IGES & PDES. (04)
(c) A Triangle PQR with vertices P (20, 20), Q (50, 20) & (20,140) is to be enlarged twice along X direction & compressed to half along Y direction. Determine the coordinates of the vertices for a scaled triangle. (07)
Q-4 (a) Explain following Entities used in surface Modeling i) Ruled Surface ii) Plain Surface. (03)
(b) What is Feature based Modeling? Explain in detail. (04)
(c) The co-ordinates of four control points PO, P1, P2, & P3, relative to WCS are : (2,2,0), (3,3,0) ,(3,4,0), & (4,3,0)respecttively . Find the equation of the Bezier curve & determine the coordinates of points on curve for u =0, 0.25,0.5,0.75, 1.0. (07)
--- Content provided by FirstRanker.com ---
OR
Q-4 (a) Explain the approaches of genration of analytical curve. (03)
(b) Develop parametric equation for 1) Line ii) Elipse. (04)
(c) A Bezier curve is controlled by three points (4, 2), (0, 0) & (2, 8). Determine i) the degree of Bezier curve. ii) The parametric eqation of Bezier curve. (07)
--- Content provided by FirstRanker.com ---
Q-5 (a) What is Geometric Modeling? Explain Methods of Geometric Modeling. (03)
(b) Explain advantages & characteristics of Bezier Curve. (04)
(c) Explain Langranj Multiplier Method with suitable example. (07)
OR
Q-5 (a) What do you mean by 2D & 3D wire frame Modeling? Differentiate them. (03)
--- Content provided by FirstRanker.com ---
(b) Define Primary & Subsidiary equation in Optimizations. (04)
(c) What is Design Optimization? Explain its application &limitations in engineering design. (07)
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University