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BT-105 Engineering Graphics Notes

9 notes for Engineering Graphics, unit by unit.

Unit 1 · Short notes Introduction to Engineering Drawing Principles of Engineering Graphics and their significance · Usage of drawing instruments · Lettering · Conic sections including the rectangular hyperbola (general method only) · Cycloid, epicycloid, hypocycloid and involute · Scales – plain, diagonal and vernier scales
Unit 2 · Short notes Orthographic Projections Principles of orthographic projections – conventions · Projections of points and lines inclined to both planes · Projections of planes – auxiliary planes
Unit 3 · Short notes Projections of Regular Solids Projections of regular solids inclined to both planes – auxiliary views · Simple annotation, dimensioning and scale drawing · Floor plans including windows, doors and fixtures (WC, bath, sink, shower, etc.)
Unit 4 · Short notes Sections and Sectional Views of Right Angular Solids Sections and sectional views of prism, cylinder, pyramid, cone – auxiliary views · Development of surfaces of right regular solids – prism, pyramid, cylinder, cone · Sectional orthographic views of geometrical solids and industry/dwelling objects (foundation to slab only)
Unit 5 · Short notes Isometric Projections Principles of isometric projection – isometric scale, isometric views, conventions · Isometric views of lines, planes, simple and compound solids
Unit 6 · Short notes Overview of Computer Graphics Computer technologies impacting graphical communication · Theory of CAD software – menu system, toolbars, drawing area, dialogs, shortcut menus, command line, status bar, zoom methods, select/erase objects · Isometric views of lines, planes, simple and compound solids
Unit 7 · Short notes Customisation & CAD Drawing Setup of drawing page and printer – scale settings, units, drawing limits · ISO and ANSI standards for coordinate dimensioning and tolerancing · Orthographic constraints, snap to objects manually and automatically · Producing drawings using various coordinate input methods to draw straight lines · Applying various ways of drawing circles
Unit 8 · Short notes Annotations, layering & other functions Applying dimensions and annotations to objects · Setting up and using layers – creation, editing, customized layers · Modifying existing lines (extend/lengthen) · Printing documents using the print command · Orthographic projection techniques · Drawing sectional views of composite right regular geometric solids and projecting true shape of sectioned surface
Unit 9 · Short notes Team Design Project Geometry and topology of engineered components – creation of engineering models · Presentation in standard 2D blueprint and 3D wire‑frame/shaded solids · Meshed topologies for engineering analysis and tool‑path generation · Geometric dimensioning and tolerancing · Use of solid‑modeling software for associative component and assembly models · Floor plans – windows, doors, fixtures (WC, bath, sink, shower, etc.)

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