Download AKTU B-Tech 7th Sem 2017-2018 NME 701 Computer Aided Design Question Paper

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Paper Id: 4052 Roll No

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B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

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1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?

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5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?

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10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).

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3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.

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4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.

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2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

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5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?

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2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

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Figure 1

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Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

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COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

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1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.

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6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

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SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.

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   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }

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5. Explain the various steps required to solve mechanical problem using finite element analysis.

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.

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3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

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1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

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7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

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Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

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Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?

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2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.

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7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

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2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.

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   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

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4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.

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2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

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1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

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Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

--- Content provided by‌ FirstRanker.com ---

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.

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3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.

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8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

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1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?

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   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

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1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

--- Content provided by​ FirstRanker.com ---

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.

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2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

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Printed pages: 02

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Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

--- Content provided by‌ FirstRanker.com ---

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.

--- Content provided by​ FirstRanker.com ---

4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.

--- Content provided by FirstRanker.com ---

9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.

--- Content provided by​ FirstRanker.com ---

2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.

   --- Content provided by​ FirstRanker.com ---

4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

3. Attempt any two part of the following: 10 x 1 =10

--- Content provided by‍ FirstRanker.com ---

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.

--- Content provided by‌ FirstRanker.com ---

2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

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1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

--- Content provided by FirstRanker.com ---

k1= 12 N/mm k2= 8 N/mm

Figure 1

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Printed pages: 02

Paper Id: 4052 Roll No

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B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

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1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?

--- Content provided by​ FirstRanker.com ---

5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?

--- Content provided by FirstRanker.com ---

10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).

--- Content provided by‌ FirstRanker.com ---

3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.

--- Content provided by‌ FirstRanker.com ---

4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.

--- Content provided by⁠ FirstRanker.com ---

2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

--- Content provided by​ FirstRanker.com ---

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?

--- Content provided by‍ FirstRanker.com ---

2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

--- Content provided by​ FirstRanker.com ---

Figure 1

Firstranker's choice FirstRanker.com

Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

--- Content provided by FirstRanker.com ---

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

--- Content provided by​ FirstRanker.com ---

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.

--- Content provided by​ FirstRanker.com ---

6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

--- Content provided by⁠ FirstRanker.com ---

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.

   --- Content provided by‌ FirstRanker.com ---

   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }

--- Content provided by‌ FirstRanker.com ---

5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.

--- Content provided by FirstRanker.com ---

3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

--- Content provided by‌ FirstRanker.com ---

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

--- Content provided by FirstRanker.com ---

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

--- Content provided by​ FirstRanker.com ---

Firstranker's choice FirstRanker.com

Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

--- Content provided by​ FirstRanker.com ---

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?

--- Content provided by‍ FirstRanker.com ---

2. Write short note on optical character recognition.
3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.

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7. What are the different types of geometric modeling.
8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

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2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.

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   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

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4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.

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2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

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1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

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Printed pages: 02

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

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Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.

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3. Discuss local coordinate system.
4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.

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8. Explain the types of surface entities.
9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

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1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.
2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?

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   4. Are the two lines intersecting? If yes, find the point of intersection.
4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

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3. Attempt any two part of the following: 10 x 1 =10

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

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1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.
2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

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6. Attempt any one part of the following: 10 x 1 =10

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.

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2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

k1= 12 N/mm k2= 8 N/mm

Figure 1

Firstranker's choice FirstRanker.com

Printed pages: 02

--- Content provided by​ FirstRanker.com ---

Paper Id: 4052 Roll No

B.TECH (SEM VII) THEORY EXAMINATION 2017-18

COMPUTER AIDED DESIGN

Total Marks: 100 Time: 3 Hours

Note: 1. Attempt all Sections. If require any missing data; then choose suitably.

--- Content provided by FirstRanker.com ---

SECTION A

1. Attempt all questions in brief. 2 x10 = 20

1. What do you mean by computer Aided design [CAD]?
2. Write short note on optical character recognition.
3. Discuss local coordinate system.

--- Content provided by‌ FirstRanker.com ---

4. What is concatenated transformation?
5. State difference between: analytic curves and synthetic curves.
6. Discuss the generation of 2D curves.
7. What are the different types of geometric modeling.
8. Explain the types of surface entities.

--- Content provided by​ FirstRanker.com ---

9. What do you mean by discretization?
10. Write limitation of finite element method.

SECTION B

2. Attempt any three of the following: 10 x 3 = 30

1. State the various types of output devices used in CAD workstation. Explain, with neat sketch, any three output devices.

--- Content provided by‌ FirstRanker.com ---

2. Using Bresenham's line algorithm, find the pixel positions along the line between end points (15,8) and (28,16).
3. Line L1 has end points (1,2,1) and (5,6,1), while line L2 has end points (7,3,4) and (3,9,10)
   1. Find the parametric equations of the lines.
   2. Find the tangent vectors of the lines.
   3. Are the two lines parallel or perpendicular?
   4. Are the two lines intersecting? If yes, find the point of intersection.

   --- Content provided by FirstRanker.com ---

4. Sketch the wireframe model defined by the set of points : { (x, y, z) : x + y = 3, x + y + 3 = 0, x - y = 3, y - x = 3, z = -2, and z = 2 }
5. Explain the various steps required to solve mechanical problem using finite element analysis.

FirstRanker.com

3. Attempt any two part of the following: 10 x 1 =10

--- Content provided by‌ FirstRanker.com ---

1. Explain, with neat block diagram, conventional product cycle.
2. Discuss criteria for selection of CAD/CAM system.
3. Discuss mid – point circle algorithm.

4. Attempt any one part of the following: 10 x 1 =10

1. A triangle ABC with vertices A (30, 20), B(90, 20), and C (30, 80) is to be scaled by a factor of 0.5 about a point X(50, 40). Determine: (i) the composite transformation matrix ; and (ii) the coordinates for the vertices for a scaled triangle.

--- Content provided by‍ FirstRanker.com ---

2. Explain with neat sketches, the following two-dimensional mappings : (i) Translational mapping (ii) Rotational mapping (iii) General mapping.

5. Attempt any one part of the following: 10 x 1 =10

1. An ellipse has major axis of 10 units and minor axis of 8 units. If the center of ellipse is (5, 6, 3) write the parametric equation of an ellipse.
2. Generate the Bezier curve for the following control points : A (1, 1), B (4, 3), C(5, 2) and D(3, 1).

6. Attempt any one part of the following: 10 x 1 =10

--- Content provided by‌ FirstRanker.com ---

1. what are the various types of sweeps used in solid modeling ?
2. Sketch the solid model defined by the set points : { ( x, y, z) : x² + y² = z²/4, and 2 =z=9}

7. Attempt any one part of the following: 10 x 1 =10

1. State and describe the types of elements used in the finite element analysis in detail.
2. Two springs, having stiffnesses 12 and 8 N/mm respectively, connected in series. One end of the assembly is fixed and a force of 60 N is applied at other end. Using the finite element method, determine : (i) the displacements at nodes 2 and 3; (ii) the deflections of individual springs; and (iii) the reaction force at support.

--- Content provided by⁠ FirstRanker.com ---

k1= 12 N/mm k2= 8 N/mm

Figure 1

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