AUTO MECHANICAL WORK

WAEC SYLLABUS ON AUTO MECHANICAL WORK

EXAMINATION SCHEME


There will be three papers, Papers 1, 2 and 3 all of which must be taken. Papers 1 and 2 shall be a composite paper to be taken at one sitting.

PAPER 1:

will consist of forty multiple-choice objective questions all of which are to be answered in 45 minutes for 40 marks.

PAPER 2:

will consist of two sections, Sections A and B to be answered in 2 hours 15 minutes for 80 marks.

Section A:

will consist of ten short-structured questions to be answered in 30 minutes for 20 marks.

Section B:

will consist of five essay questions. Candidates will be required to answer any four in 1 hour 45 minutes for 60 marks.

PAPER 3:

will be a practical test of 2 hours 30 minutes duration. It will consist of two compulsory questions for 80 marks.

A list of materials shall be made available to schools not less than two weeks before the paper is taken for material procurement and relevant preparation.

ALTERNATIVE TO PRACTICAL TEST


Alternatively, in the event that materials for the actual practical test cannot be acquired, the Council may consider testing theoretically, candidates’ level of acquisition of the practical skills prescribed in the syllabus. For this alternative test, there will be two sets of compulsory questions to be answered in 1½ hours for 80 marks.


DETAILED SYLLABUS

S/NO.TOPICNOTES
1.

Workshop safety and regulations

- Define safety and regulation
- Causes of workshop accidents
- Accident prevention techniques and safety devices
e.g. sand bucket, fire extinguishers,etc.
2.

Tools and Equipment.

- Types and uses of tools e.g. marking, measuring, holding and cutting tools.
- Types and uses of equipment e.g. hand valve,grinding tooletc.
- maintenance of tools and equipment.
3.

Vehicle layout

- Types of motor vehicle chassis
- Principal components, identification and functions(e.g. engine, transmission system, chassis,etc)
- Chassis maintenance.
4.

Automobile Engine

- Types of engine design.
- Identification of main component of an engine.
- Line diagram of multicylinder engine.
- Types of cylinder liners.
- Two stroke and four stroke cycles.
(spark ignition engine and compression ignitionengine).
- Advantages of four stroke cycle over twostroke cycle engine.
- Engine maintenance and servicing.
5.

Transmission system

- Transmission system layout.
- Types of drives.
- Components of transmission system e.gclutch and gear box e.t.c
- Operation of simple plate clutch.
- Types and operation of gear box.
- Introduction to automatic transmission system.
- Conventional layout of transmission system.
6.

Suspension system

- Types and functions of suspension systems.
- Fault finding, maintenance and repair of suspensionsystem.
7.

Steering system

- Components and functions of steering system.
- Types of steering gearbox.
- Manual steering fault and repairs
- Operation of power assisted steering.
- Steering geometry
8.

Engine lubrication system

- Purpose and types of lubrication system.
- Friction and its disadvantages.
- Component part of lubrication system.
- Quality and viscosity of lubricants.
- Oil additive and its importance
9.

Cooling system

- Function and types of cooling system
- Components of water and air cooling systems.
- Comparison of air and water cooling systems.
10.

Fuels and combustion

- General layout and working principle of the fuel supply system.
(a) Fuel component system- Component parts and function of the fuel supply system.
- Types of carburetors, pumps and their maintenance
- Types and properties of fuel.
- Comparison of mechanical and electrical fuel pumps.
(b) Manifold and air cleanerTypes, functions and maintenance of:
(i) Manifold
(ii) Air cleaner
(iii) Muffler

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11.

Braking system

- Concept of friction, operating principles and types of braking systems.
- Faults and maintenance of mechanical andhydraulically operated braking systems.
- Functions, advantages and disadvantages of antilockbraking system (A.B.S).
- Layout of braking system.
12.

Wheels and Tyres

- Types and functions of rims and tyres.
- Vulcanizing
- Stating regulation for tyre inter changing andpressure.
- Road wheels alignment and balancing.
13.

Workshop management and enterprise

- Basic concept of:
(i) management
(ii) planning
(iii) controlling
(iv) staffing
(v) directing
- Managing resources
- Concept of authority and responsibilities inenterprising.
- Types of enterprise.
- Advantages and disadvantages of types of enterprise
- enterprise in automobile.

LIST OF FACILITIES AND MAJOR EQUIPMENT/MATERIALS REQUIRED:

ITEM NO.EQUIPMENTQUANTITY REQUIRED
1.Tool box with lock5
2.Ball pein hammer5
3.Hacksaws with extra blades10
4.300 mm engineer’s rule, socket, spanner sets, with ratchet and extension10
5.6-32mm ring and flat spanners (combined)5
6.Ring spanners (6-32mm)5
7.Emery cloth (standard)5
8.Plug spanners5
9.Flat spanners (6-32mm)10
10.Allen keys5
11.Feeler gauges5
12.Oil cans5
13.Grease guns3
14.Spark plug cleaners2
15.Combination pliers5
16.Long nose pliers5
17.Wire cutter5
ITEM NO.MEASURING TOOLSQUANTITY REQUIRED
18.Tyre pressure gauges5
19.Vernier caliper5
20.Surface gauges5
21.Surface plates1

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22.Vee blocks6
23.Micrometer screw gauge5
24.Dial gauge indicator with magnetic stand2
ITEM NO.MACHINE TOOLSQUANTITY REQUIRED
25.Grinding machine with assorted wheels1
26.Bench grinder with wheels1
27.Valve grinding machine1
ITEM NO.JOINING METALSQUANTITY REQUIRED
28.Blow lamps3
29.Soldering iron5
ITEM NO.LUBRICATION BAY/TYRE AND WHEEL SERVICEQUANTITY REQUIRED
30.Compressor (single phase motor driven type complete with spray gun, grease, hose)1
31.Wheel balancing machine (rim 13 – 15)1
32.Portable tyre inflator1
33.Master vulcanizer1
34.Tyre changer complete with bead breaker1
35.Tyre repair kit comprising rasp, scissors, tyre knife, sticher, wire brush, etc2 sets
36.Service station set of tool kit, plus special tools for removal of oil filter2 sets
37.Pipe wrench, clamp/vice1 sets
38.Wheel alignment gauge5
39.Clutch alignment jig2
40.Injector test machine1
41.Pullersof different sizes2
42.Work bench with vices2
43.Portable engine hoist1
ITEM NO.GENERAL/SERVICING AND RECONDITIONINGQUANTITY REQUIRED
44.Bottle jack (hydraulic) light and heavy1
45.Used vehicle tyres1
46.Trolley jacks2
47.Timing light1

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48.Inspection pits1
49.Compression gauge2
50.Valve spring compressor (clamp)2
51.Coil spring compressor (for suspension)2
52.Torque wrench pre-set type2
53.Torque wrench dial type2
ITEM NO.TOOLS/EQUIPMENTQUANTITY REQUIRED
54.Piston ring compressor expander2
55.Axle stands5
56.Diagnostic testing machine (exhaust gas analyzer)1
ITEM NO.OTHER UTILITIESQUANTITY REQUIRED
57.Fire extinguisher5
58.Sand buckets5
59.Water buckets5
60.Complete engine,gearbox and final drive1
61.Workshop overalls25
62.Complete vehicle engine (petrol) (chart)1
63.Complete vehicle engine (diesel) (chart)1
64.Complete vehicle and chart1

SUGGESTED READING LIST

S/NTITTLEAUTHOR
1.Motor Vehicle TechnologyJ.A.DOLAN
2.Motor Vehicle Technology (Part 1,2,3 & 4)S.C.MUDD
3.Automotive MechanicsWILLIAM H.CROUSE and DONALD L. ANGLIN
4.Fundamental of Motor Vehicle TechnologyV.A.W HILLIER and PETER COOMBES
5.Automotive Mechanics For Schools and CollegesABA N.EJEMBI and STEPHEN DAVID
6.The AutomobileHARBANS SINGH REYAT

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