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Q1— Section header —
1.1Indicate whether the following statements are TRUE or FALSE. Choos e the answer and write only ' rue' or ' alse' next to the question number (1.1.1
1.1.10\the ANSWER BOOK.
1.1.1The piston moves downwards during the intake stroke.
1.1.2The piston moves downwards during the compression s troke.
1.1.3The outlet val e is closed during the exhaust stroke.
1.1.4Around TDC fuel is injected during the combustion stroke.
1.1.5The intake valve is closed during the intake stroke.
1.1.6Both inlet and outlet valves are closed during compression stroke.
1.1.7The outlet valve is closed during intake stroke.
1.1.8Around BBC fuel is injected during the combustion stroke.
1.1.9The piston moves upwards during the combustion stroke.
1.1.10The piston moves upw ards during the exhaust stroke. (10 1\ (10\
1.2Study FIGURE 1 below and label the different components of the petrol ignition system. Write only the answer next to the letter (A E\in the
1.3Explain TWO maintenance procedures for item D in FIGURE 1. (2\
1.4List TWO maintenance procedure for diesel engine (2\
1.5Complete the following sentence by filling in the missing word(s\. Write only the word(s\ next to the question n umber (1.5\in the ANSWER BOOK. (1\ [20]20
Q2— Section header —
2.1List TWO functions of the gearbox. (2\
2.2Copy FIGURE 2 in the ANSWER BOOK and indicate the path of the power transfer for first gear by drawing a dark line through the applicable gears and shafts. FIGURE 2 (3\
2.3Study FIGURE 3 below and label the different tyre information (A C\. Write the answer only next to the letter (A
2.4Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A F\ next to the question number (2.4.1
2.4.5\in the ANSWER BOOK. COLUMN A COLUMN B
2.4.1
2.4.5Pinion gear Ring gear Side shaft gears Differential case assembly Rear drive axles
2.5Explain Pascal's Law in relation to the hydraulic brake system. (5\
2.6Explain TWO maintenance procedures for tires. (2\ [20]20
Q3— Section header —
3.1Explain FIVE differences between gas welding and gas braze welding. (5 2\ (10\
3.2Lis t FIVE welding defects that can occur during OAW. (5\
3.3Make a neat labelled drawing of a complete welding torch with all its different components and safety features. (5\ [20]20
Q4— Section header —
4.1Describe the procedure that must be followed to connect an auxiliary battery to a vehicle with a discharged battery. (5\
4.2Study TABLE 1 below and calculate the total average maximum load in kW. APPLIANCE TOTAL CONNECTED LOAD IN WATT PERCENTAGE USAGE OF THE LOAD AT A MOMENT Lig
4.3The cost per unit is R1,10. Calculate the average maximum cost for the
Q4— Section header —
4.4Indicate whether the following statements are TRUE or FALSE. Cho ose the answer and write only ' rue' or ' alse' next to the question number (4.
4.4.1Eskom is the largest producer of electricity in Africa.
4.4.2Eskom operates Koeberg nuclear power station in the Western Cape. (2 1\ (2\ [15] 409015
Q5— Section header —
5.1Explain the difference between single and double pitched roof construct ions. Motivate your explanation with neat labelled sketches. (5\
5.2Explain TWO functions of wall plate. (2\
5.3Choose a picture from COLUMN B that matches a description in COLUMN A. Write only the letter (A D\ next to the question number (
5.3.3\in the ANSWER BOOK. COLUM A COLUM B
5.3.3Gable roof IBR roof sheeting Corrugated roof sheet (3
5.4You need to fit plumbing pipe for the water supply to your home stead. You need to understand the minimum diameter piping to do the job. Complete the following sentences by filling in the missing words. Write only the word next to
5.4.3the ANSWER BOOK.
5.4.1in diameter.
5.4.2in diameter.
5.4.3in diameter. (3 1\ (3\
5.5Indicate whe ther the following statements are TRUE or FALSE. Choose the answer and write only ' rue' or ' alse' next to the question number (5.
5.5.2\ the ANSWER BOOK.
5.5.1The three fundamental requirements for a sanitary home water supply are purity, abundance, and convenience.
5.5.2Small animals consume on average at least 50 litres per day. (2 1\ (2\
5.6Study FIGURE 5 below and label the waste water parts. Write only the answer next to the letter
5.7Explain the purpose of part A in FIGURE (2\
5.8Explain the purpose of part B in FIGURE (2\
5.9What should the diameter in mm be of item E in FIGURE (1\ [25] TOTAL: 10025