S/NO.

CONTENTS

NOTES

Drawing materials and equipment,

Standard size drawing A2 ISO board and drawing

1

types of drawing and applications

sheet, set squares, drawing instruments,

protractor and T-square.

2

Lines, lettering and dimensioning

Types of lines and their uses. Types and styles of

lettering, title blocks and border lines. These should

conform to BS 1192 and BS 308A.

3

Division of lines and its applications

Dividing into a given number of equal parts or

proportion and other simple exercises involving

mathematical problems.

4

Scales and their uses

Plain and diagonal scales, constructions and their

applications, including scale of chords.

5

Angles

Types and their constructions.

6

Triangles, quadrilaterals and other

Regular and irregular polygons: properties and their

polygons

constructions.

7

Circles

Parts, types, properties and their constructions.

8

Tangents and tangency

Construction and application of principles of tangency

to spanner, anchors and other tools.

9

Inscribed, circumscribed and escribed

Definitions, identification and their constructions.

figures

10

Similar figures and areas

Enlargement and reduction by area and side.

Definition and construction of straight line, circle,

11

Loci

ellipse, parabola, hyperbola, helix, trochoids (inferior

and superior) spiral, cycloid, hypocycloid, involutes

and link mechanisms.

SOLID GEOMETRY

12

Lines in space and planes

Location of points and lines in space. True length and angle of inclination of a line. Intersecting lines, plane relationships and traces.

Types of planes and edge views of planes.

13

Pictorial drawing: isometric, oblique,

Isometric scales and circles, oblique scales and curves.

perspective

One and two points perspective, including free hand

sketching.

14

Orthographic projection

Multiplane,1st and 3^rd angle projection.

15

Auxiliary projections

Prisms, cones, cylinder, cube, pyramid (right and

oblique), including second auxiliary projection.

16

Sectional views and true shapes

True shape of sections of prisms, cylinders pyramids

and cones, (ellipse, parabola, hyperbola, circle and

triangle).

17

Development of surfaces

Surfaces of right and oblique pyramids, prisms,

cylinders, cones and their truncated parts and frustum

.Transition pieces.

18

Intersection /Interpenetration

Intersections of cylinders, cones, prisms and pyramids.

3

19

Symbols and conventions

Example, the symbol used to indicate the diameter of a circle.

used in plane and solid geometry

20

Forces: co-planer,con-current and parallel

Graphical determination of resultant, using

Bow’s notation. Equilibrant and reaction using

triangle and polygon of forces.

21

Simple framed structure

Determination of reactions and internal forces

of members and nature of forces.

22

Shearing force and bending moment

Simple supported beams and cantilevers with

diagrams

concentrated and uniformly distributed loads.

23

Centre of gravity of lamina

Simple geometrical shapes.

1

Freehand sketching and identification of

Both pictorial and orthographic sketches of building

building tools

tools.

2

Foundations and Floors

Types and parts of foundations and floors.

3

Openings – windows, doors and arches

Types and parts of doors, windows and arches.

4

Stairs and staircases

Parts and types of staircases.

5

Roofs

Types and parts of roofs.

6

Constructional details of parts of buildings

Includes wall, column, beam, lintel, etc.

7

Working drawings of buildings

Orthographic projections and sectional views.

8

Building materials, freehand sketching,

Including electrical and plumbing fittings.

symbols and conventions

MECHANICAL DRAWING

The recommendations of the current BS 308A (metric) should be followed.

1

Freehand sketching and identification of

Both pictorial and orthographic sketches of mechanical

mechanical tools

tools.

2

Dimensioning

Limits and fits, allowances, tolerances; emphasis on

correct techniques.

3

Screw threads, fasteners and locking

Include conventional representation, construction and

devices

their applications.

4

Sectioning

Full,half-part,offset,broken,removed,aligned and

revolved.

5

Pictorial drawing

Isometric and oblique drawing; including freehand

sketching.

6

Working and assembly drawing.

Orthographic and sectional views.

7

Symbols, conventions and abbreviations

Include electrical and plumbing fittings and welding

symbols.

LIST OF RECOMMENDED TEXTBOOKS

S/N

TEXT BOOKS

AUTHORS

PUBLISHERS

1

TECHNICAL DRAWING FOR

SCHOOL CERTIFICATE AND G.C.E

J.N GREEN

SPECTRUM BOOKS

(Metric Edition)

2

ENGINEERING DRAWING with

M.A PARKER AND

NELSON THORNS

worked examples 1 & 2

F.PICKUP

LTD

(3^rd edition)

3

GEOMETRIC AND ENGINEERING

K.MORLING

DRAWING

4

GEOMETRIC AND TECHNICAL

A.YARWOOD

ELBS with NELSON

DRAWING

5

FOUNDATION OF TECHNICAL

A.PARKISON

DRAWING

6

TECHNICAL DRAWING with

W.E.KUDOR

Mechanical Engineering & Drawing

option