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ADDIS ABABA UNIVERSITY FACULTY OF TECHNOLOGY DEPARTMENT OF MECHANICAL ENGINNERING Course Title: Engineering Drawing A/year: 2010/11 Course no.: MEng 1001 semester: I Instructor: Yared Lemma credit hrs: 3 Course Objective At the end of the course, students would understand: The different types of projection techniques How to sketch multi – view drawings of any given pictorial drawings How to sketch pictorial drawings of given multi – view drawings Sketching auxiliary and sectional views as a supplement of multi – view drawings. How to find intersection lines of different geometries and development of surfaces. Course Outline 1. Introduction History Objective of the course Lettering Drawing Instrument  Types of line 2. Theory o f projection

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ADDIS ABABA UNIVERSITY 

FACULTY OF TECHNOLOGY 

DEPARTMENT OF MECHANICAL ENGINNERING

Course Title: Engineering DrawingA/year: 2010/11

Course no.: MEng 1001

semester: I

Instructor: Yared Lemma credit

hrs: 3

Course Objective

At the end of the course, students would understand:

• The different types of projection techniques

• How to sketch multi – view drawings of any given pictorial drawings

• How to sketch pictorial drawings of given multi – view drawings

• Sketching auxiliary and sectional views as a supplement of multi – 

view drawings.

• How to find intersection lines of different geometries and development 

of surfaces.

Course Outline

1. Introduction

• History

Objective of the course

• Lettering

• Drawing Instrument

•  Types of line

2. Theory of projection

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•  Types of projections

• Classification of projections

• Projection of point

Projection of a line (Normal, inclined, oblique)

3. Multi-view drawings

• Systems of projection;

• Choice of views, Laying out of views;

• Projection of lines, Planar and non-planar lines;

•  Tangent surfaces; Fillets; Rounds; Run-outs.

4. Pictorial drawing

• Comparison between multi-view and pictorial drawings;

• Axonometric; Oblique and central projections;

• Isometric and oblique drawings

5. Auxiliary Views

• Primary and secondary auxiliary views;

• Complete and partial auxiliary views

6. Sectional views

• Making sectional drawings;

•  Types of sections;

• Conventional representations;

Sectional auxiliary views;

• Sections in pictorial drawings

7. Intersection and developments

7.1 Development

• Development of a prism

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• Development of a cylinder

• Development of a Cone

7.2 Intersection

• Lines of intersections between two prisms

• Lines o f intersections between two prisms

• Lines of intersections between two cylinders

• Lines of intersections between a cone and a cylinder

• Lines of intersections between a cone and a prism

References

1.  Cecil H. Jensen,  Jay D. Helsel, Dennis Short,  Jay Helsel, Cecil 

 Jensen, Engineering Drawing And Design Student Edition 2002, July

27, 2001

2. David L. Goetsch, William Chaulk , John Nelson, Technical Drawing

(Drafting and Design) 5th edition, December 22, 2004

3. Frederick E. Giesecke , Alva Mitchell , Henry C. Spencer , Ivan 

Leroy Hill ,  John T. Dygdon ,  James E. Novak  , Ivan L. Hill,

Technical Drawing (12th Edition), 2002

Assessment

Assignment and class works 40%

Final examination 60%

Remark 1. Assignments are submitted at the date due; submission after the due

date is not allowed

2. Students are expected to attend all class; students having an

attendance less than 75% will not be allowed to sit on the final exam