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ME 111: Engineering Drawing
Lecture # 01
Introduction 
1
Introduction 
For more detail, visit
http://shilloi.iitg.ernet.in/~psr/
Indian Institute of Technology Guwahati
Guwahati – 781039
Page 2


ME 111: Engineering Drawing
Lecture # 01
Introduction 
1
Introduction 
For more detail, visit
http://shilloi.iitg.ernet.in/~psr/
Indian Institute of Technology Guwahati
Guwahati – 781039
Syllabus
1. Importance of engineering drawing; Drawing techniques 
2. Manual drawing instruments and their uses – Drawing board; Mini-
drafter; Set squares; Drawing instrument box; Scales; Protractor; 
French curves; Drawing papers; Drawing pencils; Eraser; Drawing 
pins/clips; Sand paper block; Duster.
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
2
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
Title block; Folding of drawing sheets; Lines, lettering and 
dimensioning.
4. Scales – Plane, diagonal and vernier
5. Curves used in engineering practice:
6. Orthographic projection – Theory of projection
Page 3


ME 111: Engineering Drawing
Lecture # 01
Introduction 
1
Introduction 
For more detail, visit
http://shilloi.iitg.ernet.in/~psr/
Indian Institute of Technology Guwahati
Guwahati – 781039
Syllabus
1. Importance of engineering drawing; Drawing techniques 
2. Manual drawing instruments and their uses – Drawing board; Mini-
drafter; Set squares; Drawing instrument box; Scales; Protractor; 
French curves; Drawing papers; Drawing pencils; Eraser; Drawing 
pins/clips; Sand paper block; Duster.
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
2
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
Title block; Folding of drawing sheets; Lines, lettering and 
dimensioning.
4. Scales – Plane, diagonal and vernier
5. Curves used in engineering practice:
6. Orthographic projection – Theory of projection
7. Projection of points
8. Projection of straight lines
9. Projection of planes 
10.Projection of solids 
11.Auxiliary projections
3
12.Sections of solids
13.Development of surfaces
14.Intersections of solids
15.Isometric projections
Page 4


ME 111: Engineering Drawing
Lecture # 01
Introduction 
1
Introduction 
For more detail, visit
http://shilloi.iitg.ernet.in/~psr/
Indian Institute of Technology Guwahati
Guwahati – 781039
Syllabus
1. Importance of engineering drawing; Drawing techniques 
2. Manual drawing instruments and their uses – Drawing board; Mini-
drafter; Set squares; Drawing instrument box; Scales; Protractor; 
French curves; Drawing papers; Drawing pencils; Eraser; Drawing 
pins/clips; Sand paper block; Duster.
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
2
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
Title block; Folding of drawing sheets; Lines, lettering and 
dimensioning.
4. Scales – Plane, diagonal and vernier
5. Curves used in engineering practice:
6. Orthographic projection – Theory of projection
7. Projection of points
8. Projection of straight lines
9. Projection of planes 
10.Projection of solids 
11.Auxiliary projections
3
12.Sections of solids
13.Development of surfaces
14.Intersections of solids
15.Isometric projections
Books/references
1. Dhananjay A Jolhe, Engineering drawing, TMH, 2008
2. M.B. Shah and B.C. Rana, Engineering Drawing, Pearsonson,
2009.
3. N D Bhatt and V M Panchal, Engineering Drawing, 43rd edition,
Charator Publishing House, 2001
4
Charator Publishing House, 2001
4. T E French, C J Vierck and R J Foster, Graphic Science and
Design, 4th edition, McGraw Hill, 1984
5. W J Luzadder and J M Duff, Fundamentals of Engineering
Drawing, 11th edition, Prentice-Hall of India, 1995.
6. K Venugpoal, Engineering Drawing and Graphics, 3nd edition,
New Age International, 1998.
Page 5


ME 111: Engineering Drawing
Lecture # 01
Introduction 
1
Introduction 
For more detail, visit
http://shilloi.iitg.ernet.in/~psr/
Indian Institute of Technology Guwahati
Guwahati – 781039
Syllabus
1. Importance of engineering drawing; Drawing techniques 
2. Manual drawing instruments and their uses – Drawing board; Mini-
drafter; Set squares; Drawing instrument box; Scales; Protractor; 
French curves; Drawing papers; Drawing pencils; Eraser; Drawing 
pins/clips; Sand paper block; Duster.
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
2
3. Conventions - ISO and BIS; Layout of drawing sheets; Border lines; 
Title block; Folding of drawing sheets; Lines, lettering and 
dimensioning.
4. Scales – Plane, diagonal and vernier
5. Curves used in engineering practice:
6. Orthographic projection – Theory of projection
7. Projection of points
8. Projection of straight lines
9. Projection of planes 
10.Projection of solids 
11.Auxiliary projections
3
12.Sections of solids
13.Development of surfaces
14.Intersections of solids
15.Isometric projections
Books/references
1. Dhananjay A Jolhe, Engineering drawing, TMH, 2008
2. M.B. Shah and B.C. Rana, Engineering Drawing, Pearsonson,
2009.
3. N D Bhatt and V M Panchal, Engineering Drawing, 43rd edition,
Charator Publishing House, 2001
4
Charator Publishing House, 2001
4. T E French, C J Vierck and R J Foster, Graphic Science and
Design, 4th edition, McGraw Hill, 1984
5. W J Luzadder and J M Duff, Fundamentals of Engineering
Drawing, 11th edition, Prentice-Hall of India, 1995.
6. K Venugpoal, Engineering Drawing and Graphics, 3nd edition,
New Age International, 1998.
Scheme of evaluation
Practical  Assignments : (35%)
Mid Semester Examination : (25%)
End Semester Examination : (40%)
Note to the students
1. Practical assignments are to be completed in the Drawing Hall during
the respective practice period itself.
2. No make-up class for the completion of the incomplete assignments.
5
2. No make-up class for the completion of the incomplete assignments.
3. Only one make-up class for a missed class, that too only under
medical ground. Students having attendance (lecture + tutorial) less
than 75%, or for both lecture and tutorial independently will be
debarred from appearing in the end semester examination.
4. No entry to the lecture hall 5 minutes after the start of the class.
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FAQs on ME - Engineering Drawing (IIT Guhawati) - Mechanical Engineering

1. What is the importance of engineering drawing in mechanical engineering?
Ans. Engineering drawing is a crucial aspect of mechanical engineering as it serves as a universal language for engineers to communicate their designs. It provides a visual representation of the object, detailing its dimensions, tolerances, and specifications. Engineering drawings help in the manufacturing process by guiding the machinists and fabricators in accurately producing the desired product. Additionally, they aid in problem-solving, analysis, and quality control.
2. What are the different types of engineering drawings used in mechanical engineering?
Ans. In mechanical engineering, several types of engineering drawings are commonly used. These include: - Orthographic projections: These drawings represent the object from different views, such as top, front, and side views, to provide a complete understanding of its shape and dimensions. - Isometric drawings: Isometric drawings show a three-dimensional object in a single view, with all three dimensions equally foreshortened. - Sectional views: Sectional views are used to reveal the internal structure of an object by cutting it along a plane and showing the internal details. - Assembly drawings: Assembly drawings depict how multiple components come together to form a larger mechanical system or product. - Exploded views: Exploded views show the individual components of an assembly, separated and arranged in a manner that highlights their relationship and assembly sequence.
3. What are the common symbols and notations used in engineering drawings?
Ans. Engineering drawings utilize various symbols and notations to convey information effectively. Some common symbols and notations used in mechanical engineering drawings include: - Dimension lines: These lines indicate the size and location of features on the drawing. - Geometric tolerances: Symbols like concentricity, perpendicularity, and parallelism are used to specify tolerances for the geometric features of the object. - Surface finish symbols: These symbols indicate the desired surface texture or roughness of a particular area. - Section lines: Section lines are used to represent the cut surfaces in sectional views. - Centerlines: Centerlines show the center or axis of symmetry of a feature or object. - Material specifications: Symbols and abbreviations are used to specify the type of material to be used for different components.
4. How does engineering drawing aid in the manufacturing process?
Ans. Engineering drawing plays a crucial role in the manufacturing process by providing clear and concise instructions to machinists and fabricators. It guides them in understanding the design intent and accurately producing the desired product. Engineering drawings specify dimensions, tolerances, surface finishes, and material requirements, ensuring that the manufactured part meets the design specifications. Additionally, drawings aid in identifying critical features, assembly sequences, and quality control checkpoints, minimizing errors and rework during manufacturing.
5. What software tools are commonly used for creating engineering drawings in mechanical engineering?
Ans. In mechanical engineering, several software tools are commonly used for creating engineering drawings. Some popular options include: - AutoCAD: AutoCAD is a widely used computer-aided design (CAD) software that allows engineers to create precise and detailed engineering drawings. - SolidWorks: SolidWorks is a 3D CAD software that offers a comprehensive set of tools for designing and documenting mechanical components and assemblies. - CATIA: CATIA is a multi-disciplinary CAD software widely used in industries like automotive and aerospace for creating complex engineering drawings and assemblies. - Creo Parametric: Creo Parametric, formerly known as Pro/ENGINEER, is a feature-based CAD software that enables engineers to create detailed 3D models and associated engineering drawings. - Siemens NX: Siemens NX is a powerful CAD software that offers advanced capabilities for creating complex engineering drawings, including features like parametric modeling and assembly management.
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