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Q1— Section header —
1.1Choos e a/an item/word from COLUMN B that matches a description in COLUMN A. Write only the letter (A J\ next to the question number (1.1.1
1.1.9\ the ANSWER BOOK. COLUMN A COLUMN B
1.1.9Do not use without safety goggles The first step before you remove the tyre from the rim Part of the lifting equipment It causes premature bearing failure Completes four strokes in one rotation A factor that can lead to an
1.2Indicate whether the following statements are TRUE or FALSE. Choose the answer and write only true or false
1.2.5\ the ANSWER BOOK.
1.2.1Only air drawn into the cylinder during intake stroke of a diesel engine.
1.2.2The shape of an information safety sign is round.
1.2.3Oil additives improve the performance of the engine oil.
1.2.4Anti friction bearings do not req uire any lubrication.
1.2.5Magnesium is one of the materials used to manufacture wheel rims. (5 1\ (5\ (6021032\
1.3Complete the following sentences by filling in the missing words from the list below. Write only the word next to the question num ber (1.3.1
1.3.4\in the ANSWER BOOK. safety goggles; turn table; key; dressing; tool rest
1.3.2press.
1.3.3nch grinder should be adjusted close to the stone.
1.3.4Keep the grinder (4 1\ (4
1.4There are different classes of fires. List any THREE types of fires that could occur in a motor workshop. (3
1.5The OHS Act has a set of regulations to protect the health and safety of employees.
1.5.1What do the abbreviation OHS mean? (1\
1.5.2Name TWO responsibilities of the employee concerning the ct? (2\
1.5.3Name TWO responsibilitie s of the employer concerning the ct? (2\
1.6Briefly explain why components should be measured at the same temperature. (2\
1.7Name TWO measurements that can be taken with a dial gauge. (2\ [30]30
Q2— Section header —
2.1List FOUR safety precauti ons that need to be followed before lifting a vehicle with a two post hoist. (2 2\ (4\
2.2Explain how the air/fuel mixture of a two stroke petrol engine is moved from th e inlet port to the top of the piston to be compressed. (5\
2.3Name the parts that are responsible for the following functions.
2.3.1It heats up the combustion chamber in a diesel engine.
2.3.2It produces the spark to ignite the air/fuel mixture.
2.3.3It opens the valves. (3 1\ (3\ (6021032\
2.4Describe TWO differences between hydrostatic and hydrodynamic lubrication. (2 2\ (4\
2.5Briefly explain why crankcase ventilation is needed in an engine. (2\
2.6Why should an oil filter be replaced regularly, according to the service schedules? (2\
2.7Explain the operation of the viscous type cooling fan. (4\
2.8Name ONE type of water cooled system. (1\ [25]25
Q3— Section header —
3.1Use the images of the bearings in the FIGURE below in order to answer the questions:
3.1.1Identify and name the anti friction bearing.
3.1.2Identify and name the friction bearing.
3.1.3Name the load that can be applied to bearing B. (3 1\ (3\ FI GURW 1
3.2Name THREE advantages of mag wheels over steel rims. (3\
3.3List THREE ways in which the life of vehicle tyres will be extended when you take proper care of them
3.4Answer the following questions by using the information given in the FIGURE 2 below.
3.4.1Is this tyre a radial ply or cross ply?
3.4.2What would cause the tyre to wear at A and B at the same time? (2 1\ (2\ FIGURE
3.5Working with batteries can be haza rdous. Explain any THREE hazards you should be aware of when working with batteries. (3\
3.6Name TWO parts of a vehicle battery. (2\
3.7Explain the test steps that should be followed to determine whether the plates of a battery are sulphat ed. (4\
3.8Make a simple sketch of the following electrical symbols.
3.8.1A diode
3.8.2A fuse (2 1\ (2\
3.9List THREE pre checks that should be done on a vehicle before doing headlight adjustment. (3\ [25] (6021032\25
4.1Give TWO reasons why the automatic transmission has a filter in the fluid system. (2\
4.2You are requested to check the oil levels of a rear wheel drive vehicle. Name TWO oil levels that can be checked under the bonnet. (2\
4.3Na me FOUR tools you would require to perform a service on a vehicle. (4\
4.4State THREE reasons why it is necessary to do a post operational check after the service is completed. (3\
4.5List THREE safety items you should inspect on the exterior of a vehicle during a service. (3\
4.6What steps should you follow to examine a safety belt before you can say it is in perfect working order? (4\
4.7Name TWO tasks that is part of your prepare the vehicle for service task. (2\ [20] TOTAL: 10020