Technical Drawing
43 topics sit in this course for NECO SSCE.
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Practice opens in your NECO SSCE workspace after you sign in. Questions and lecture notes stay there.
This course has 43 topics. Open practice to work through them in the NECO SSCE workspace.
course outline
- PLANE GEOMETRY
- Drawing materials and equipment, types of drawing and applications
- Lines, lettering and dimensioning
- Division of lines and its applications
- Scales and their uses
- Angles
- Triangles, quadrilaterals and other polygons
- Circles
- Tangents and tangency
- Inscribed, circumscribed and escribed figures
- Similar figures and areas
- Loci
- SOLID GEOMETRY
- Lines in space and planes
- Pictorial drawing: isometric, oblique, perspective
- Orthographic projection
- Auxiliary projections
- Sectional views and true shapes
- Development of surfaces
- Intersection /Interpenetration
- Symbols and conventions used in plane and solid geometry
- VECTOR GEOMETRY
- Forces: co-planer,con-current and parallel
BUILDING DRAWING- Freehand sketching and identification of building tools
- Foundations and Floors
- Openings - windows, doors and arches
- Stairs and staircases
- Roofs
- Constructional details of parts of buildings
- Working drawings of buildings
- Building materials, freehand sketching, symbols and conventions
MECHANICAL DRAWING- Freehand sketching and identification of mechanical tools
- Dimensioning
- Screw threads, fasteners and locking devices
- Sectioning
- Pictorial drawing
- Working and assembly drawing.
- Symbols, conventions and abbreviations
