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Syllabus


COMPUTER AIDED ENGINEERING DRAWING

Subject Code
: 15CDE14/15CDE24
IA Marks       
: 20
Hours/Week 
: 06 (Instruction 2Hrs. + Sketching & Practice 4 Hrs.)
Exam. Hours  
: 03
Total Hours  
: 84
Exam. Marks
: 80

Credits
: 04

Course Objectives :

Engineering drawing is an important tool for all Engineers and for many others professionals. It is the language of Engineers. Engineering Drawing communicates all needed information from the engineer who designed a part to the workers who will manufacture it. 

The aim of the subject is to equip students with the fundamentals of Computer Aided Engineering Drawing and to further the ability to communicate information by graphical means.

Module – 1

Introduction to Computer Aided Sketching :
Introduction, Drawing Instruments and their uses, BIS conventions, Lettering, Dimensioning and free hand practicing. Computer screen, layout of the software, standard tool bar/menus and description of most commonly used tool bars, navigational tools. Co-ordinate system and reference planes. Definitions of HP, VP, RPP & LPP. Creation of 2D/3D environment. Selection of drawing size and scale. Commands and creation of Lines, Co-ordinate points, axes, poly-lines, square, rectangle, polygons, splines, circles, ellipse, text, move, copy, off-set, mirror, rotate, trim, extend, break, chamfer, fillet, curves, constraints viz. tangency, parallelism, inclination and perpendicularity. Dimensioning, line conventions, material conventions and lettering.                                      
06 Hours

Module – 2

Orthographic Projections :
Introduction, Definitions - Planes of projection, reference line and conventions employed, Projections of points in all the four quadrants, Projections of straight lines (located in First quadrant/first angle only), True and apparent lengths, True and apparent inclinations to reference planes (No application problems).

Orthographic Projections of Plane Surfaces (First Angle Projection Only) :
Introduction, Definitions–projections of plane surfaces–triangle, square, rectangle, rhombus, pentagon, hexagon and circle, planes in different positions by change of position method only (No problems on punched plates and composite plates).                                                                 
20 Hours

Module – 3

Projections of Solids (First Angle Projection only) :
Introduction, Definitions – Projections of right regular tetrahedron, hexahedron (cube), prisms, pyramids, cylinders and cones in different positions (No problems on octahedrons and combination solid)                                                                                                                                    
28 Hours

Module – 4

Sections and Development of Lateral Surfaces of Solids :
Introduction, Section planes, Sections, Section views, Sectional views, Apparent shapes and True shapes of Sections of right regular prisms, pyramids, cylinders and cones resting with base on HP. (No problems on sections of solids)
Development of lateral surfaces of above solids, their frustums and truncations. (No problems on lateral surfaces of trays, tetrahedrons, spheres and transition pieces)                                       
15 Hours

Module – 5

Isometric Projection (Using Isometric Scale Only) :
Introduction, Isometric scale, Isometric projection of simple plane figures, Isometric projection of tetrahedron, hexahedron(cube), right regular prisms, pyramids, cylinders, cones, spheres, cut spheres and combination of solids (Maximum of three solids).                                                             
15 Hours


Course Outcomes :
After studying this course,
  1. Students will be able to demonstrate the usage of CAD software.
  2. Students will be able to visualize and draw Orthographic projections, Sections of solids and Isometric views of solids.
  3. Students are evaluated for their ability in applying various concepts to solve practical problems related to engineering drawing.

Question Paper Pattern :
1. Module -1 is only for practice and Internal Assessment and not for examination. 

2. Question paper for each batch of students will be sent online by VTU and has to be downloaded before the commencement of Examination of each batch. The answer sheets will have to be jointly evaluated by the Internal & External examiners.

3. A maximum of THREE questions will be set as per the following pattern (No mixing of questions from different Modules).

Q. No
From Chapters
Marks Allotted
1
Module 2
25
2
Module 3
30
3
Module 4 or Module 5
25
Total
80

Q. No
Solution & Sketching on graph book
Computer display & printout
Total marks
1
10 marks
15 marks
25
2
12 marks
18 marks
30
3
13 marks
12 marks
25
Total
35 marks
45 marks
80


Students have to submit the computer printouts and the sketches drawn on the graph sheets at the end of the examination. Both Internal & External examiners have to jointly evaluate the solutions (sketches) and computer display & printouts of each student for 80 marks (35 marks for solutions & sketches + 45 marks for computer display and printouts) and submit the marks list along with the solution (sketches) on graph sheets & computer printouts in separate covers. 

4. Each batch must consist of a minimum of 10 students and a maximum of 12 students. 

5. Examination can be conducted in parallel batches, if necessary.

Text Books :
  1. Engineering Drawing - N.D. Bhatt & V.M. Panchal, 48th edition, 2005- Charotar Publishing House, Gujarat.
  2. “A Primer on Computer Aided Engineering Drawing-2006”, Published by VTU, Belgaum.

Reference Books :

1) Computer Aided Engineering Drawing - S. Trymbaka Murthy, - I.K. International Publishing House Pvt. Ltd., New Delhi, 3rd revised edition- 2006.

2) Engineering Graphics - K.R. Gopalakrishna, 32nd edition, 2005- Subash Publishers Bangalore. 

3) Fundamentals of Engineering Drawing with an Introduction to Interactive Computer Graphics for Design and Production- Luzadder Warren J., Duff John M., Eastern Economy Edition, 2005- Prentice-Hall of India Pvt. Ltd., New Delhi. 

4) Computer Aided Engineering drawing- Prof. M. H. Annaiah, New Age International Publisher, New Delhi. 2009.



******************************************************


Syllabus 2014 (old)

COMPUTER AIDED ENGINEERING DRAWING

Subject Code
: 14CDE14/14CDE24
IA Marks       
: 25
Hours/Week 
: 06 (Instruction 2Hrs. + Sketching & Practice 4 Hrs.)
Exam. Hours  
: 03
Total Hours  
: 56
Exam. Marks
: 100

Course Objectives :
The main objectives of this course are to impart knowledge on:
  1. Fundamentals of engineering drawing and usage of CAD software
  2. Students of all branches of Engineering are trained to solve Engineering problems enabling them to understand Engineering applications.
Module – 1

Introduction to Computer Aided Sketching :
Introduction, Drawing Instruments and their uses, BIS conventions, Lettering, Dimensioning and free hand practicing. Computer screen, layout of the software, standard tool bar/menus and description of most commonly used tool bars, navigational tools. Co-ordinate system and reference planes. Definitions of HP, VP, RPP & LPP. Creation of 2D/3D environment. Selection of drawing size and scale. Commands and creation of Lines, Co-ordinate points, axes, poly-lines, square, rectangle, polygons, splines, circles, ellipse, text, move, copy, off-set, mirror, rotate, trim, extend, break, chamfer, fillet, curves, constraints viz. tangency, parallelism, inclination and perpendicularity. Dimensioning, line conventions, material conventions and lettering.                                      
12 Hours

Module – 2

Orthographic Projections :
Introduction, Definitions - Planes of projection, reference line and conventions employed, Projections of points in all the four quadrants, Projections of straight lines (located in First quadrant/first angle only), True and apparent lengths, True and apparent inclinations to reference planes (No application problems).

Orthographic Projections of Plane Surfaces (First Angle Projection Only) :
Introduction, Definitions–projections of plane surfaces–triangle, square, rectangle, rhombus, pentagon, hexagon and circle, planes in different positions by change of position method only (No problems on punched plates and composite plates).                                                                 
24 Hours

Module – 3

Projections of Solids (First Angle Projection only) :
Introduction, Definitions – Projections of right regular tetrahedron, hexahedron (cube), prisms, pyramids, cylinders and cones in different positions (No problems on octahedrons and combination solid)                                                                                                                                      
24 Hours

Module – 4

Sections and Development of Lateral Surfaces of Solids :
Introduction, Section planes, Sections, Section views, Sectional views, Apparent shapes and True shapes of Sections of right regular prisms, pyramids, cylinders and cones resting with base on HP. (No problems on sections of solids)
Development of lateral surfaces of above solids, their frustums and truncations. (No problems on lateral surfaces of trays, tetrahedrons, spheres and transition pieces)                                       
12 Hours

Module – 5

Isometric Projection (Using Isometric Scale Only) :
Introduction, Isometric scale, Isometric projection of simple plane figures, Isometric projection of tetrahedron, hexahedron(cube), right regular prisms, pyramids, cylinders, cones, spheres, cut spheres and combination of solids (Maximum of three solids).                                                             
12 Hours


Course Outcomes :
After studying this course,
  1. Students will be able to demonstrate the usage of CAD software.
  2. Students will be able to visualize and draw Orthographic projections, Sections of solids and Isometric views of solids.
  3. Students are evaluated for their ability in applying various concepts to solve practical problems related to engineering drawing.

Conducting classes :
Classes may be conducted in two slots/ week of 3 hours each (Instruction 1 hr. + Sketching & Practice 2 hr.)

Scheme of Evaluation for Internal Assessment (25 Marks) :
  1. 15 Marks for Class work (Sketching & Computer Aided Engineering drawing printouts in A4 size sheets).
  2. 10 Marks for test in the same pattern as that of the main examination. (Better of the two Tests).
All the solutions must be valued on the spot by examining the sketches, display and the hard copies. All the sketches including the computer printouts must be submitted and they must be preserved for one year.

Scheme of Examination :
  1. Module -1 is only for practice and Internal Assessment and not for examination.
  2. Question paper for each batch of students will be sent online by VTU and has to be downloaded before the commencement of Examination of each batch. The answer sheets will have to be jointly evaluated by the Internal & External examiners.
  3. A maximum of THREE questions will be set as per the following pattern (No mixing of questions from different Modules). 
    Q. No
    From Chapters
    Marks Allotted
    1
    Module 2
    30
    2
    Module 3
    40
    3
    Module 4 or Module 5
    30
    Total
    100
  4. Each batch must consist of a minimum of 10 students and a maximum of 12 students.
  5. Examination can be conducted in parallel batches, if necessary.
Scheme of Evaluation :
Students have to submit the computer printouts and the sketches drawn on the graph sheets at the end of the examination. Both Internal & External examiners have to jointly evaluate the solutions (sketches) and computer display & printouts of each student for 100 marks (40 marks for solutions & sketches + 60 marks for computer display and printouts) and submit the marks list along with the solution (sketches) on graph sheets & computer printouts in separate covers.
Q. No
Solution & Sketching on graph book
Computer display & printout
Total marks
1
10 marks
20 marks
30
2
15 marks
25 marks
40
3
15 marks
15 marks
30
Total
40 marks
60 marks
100

Text Books :
  1. N.D.Bhatt & V.M.Panchal, “Engineering Drawing”, 48th edition, 2005- Charotar Publishing House, Gujarat.
  2. “A Primer on Computer Aided Engineering Drawing-2006”, Published by VTU, Belgaum.

Reference Books :
  1. S. Trymbaka Murthy, “Computer Aided Engineering Drawing”, Universities Press(India) Pvt. Ltd., Hyderabad, 4th Edition.
  2. K.R. Gopalakrishna, “Engineering Graphics”, 32nd edition, Subash Publishers Bangalore, 2005.
  3. Luzadder Warren J., Duff John M., “Fundamentals of Engineering Drawing with an Introduction to Interactive Computer Graphics for Design and Production”, Eastern Economy Edition, Prentice-Hall of India Pvt. Ltd., New Delhi, 2005.
  4. Prof. M. H. Annaiah, “Computer Aided Engineering drawing” New Age International Publisher, New Delhi. 2009.

Note :
Software Packages : Students should be taught and make familier with software packages such as, Autodesk Auto CAD 2014 (Freely downloadable). Autodesk Inventor 2014, Solidedge or other similar packages

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