Mechanical Technology Grade 12 Term 2 June Past Papers and Memos

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name ONE specific safety device that is fitted on EACH of the following 10 marks
3. Q3 Materials (Generic)3.1 TABLE 3.1 below shows the different metal tests and results. Complete the 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 Answer the following questions regarding a compression test. 23 marks
6. Q6 Engines (Specific)6.1 The crankshaft is an essential part of the engine. Answer the questions that 28 marks
7. Q7 Forces (Specific)7.1 Define the term brake power. (2) 32 marks
8. Q8 Maintenance (Specific)8.1 State ONE possible cause and its corrective measure for a high nitrogen oxide 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 FIGURE 9.1 below shows a torque converter with the lockup clutch engaged. 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and10.1 State TWO features of a well-designed steering system. (2) 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration should be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name ONE specific safety device that is fitted on EACH of the following 10 marks
3. Q3 Materials (Generic)3.1 TABLE 3.1 below shows the different metal tests and results. Complete the 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 FIGURE 5.1 below shows a screw-cutting dial found on a centre lathe to assist 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 Willy needs to cut a spur gear with a pitch-circle diameter of 285 mm and a 28 marks
7. Q7 Tools and Equipment (Specific)7.1 FIGURE 7.1 below shows a screw thread micrometer. Answer the questions 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with FOUR pulling forces acting 33 marks
9. Q9 Maintenance (Specific)9.1 State THREE important consequences of a failure to conduct proper 18 marks
10. Q10 Joining Methods (Specific)10.1 State THREE examples of where multiple start screw threads are generally 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 FIGURE 11.1 below shows a hydraulic system. 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration should be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name ONE specific safety device that is fitted on EACH of the following 10 marks
3. Q3 Materials (Generic)3.1 TABLE 3.1 below shows the different metal tests and results. Complete the 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 The basketball hoop shown in FIGURE 5.1 below must be manufactured using 23 marks
6. Q6 Tools and Equipment (Specific)6.1 Identify tools A and B, as shown in FIGURE 6.1 below. 18 marks
7. Q7 Forces (Specific)7.1 A steel bar with a diameter of 12 mm stretches by 0,8 mm under a tensile load 45 marks
8. Q8 Joining Methods (Inspection of Weld) (Specific)8.1 State TWO measures to prevent EACH of the following welding defects: 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 Give THREE reasons for relieving stress caused by heat-treatment processes. (3) 18 marks
10. Q10 Maintenance (Specific)10.1 State ONE routine maintenance guideline for EACH of the following: 8 marks
11. Q11 Terminology (Development) (Specific)11.1 FIGURE 11.1 below shows a cone with a base diameter of 800 mm, a top 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration should be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE safety precautions to adhere to when using a manual guillotine. 10 marks
3. Q3 Materials (Generic)3.1 State the THREE factors that affect the hardness of steel during the heat- 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 State THREE engine faults that can be identified during a cylinder leakage test, 23 marks
6. Q6 Engines (Specific)6.1 Give THREE reasons why the correct firing order of an internal combustion 28 marks
7. Q7 Forces (Specific)7.1 Define the following terms with regard to an internal combustion engine: 32 marks
8. Q8 Maintenance (Specific)8.1 TABLE 8.1 below shows the results of a gas analysis on an internal combustion 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 State the differences between the construction of an automatic gearbox and a 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and10.1 State FOUR pre-checks to do before conducting wheel alignment on a vehicle. (4) 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration should be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE safety precautions to adhere to when using a manual guillotine. 10 marks
3. Q3 Materials (Generic)3.1 State the THREE factors that affect the hardness of steel during the heat- 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 Which lathe component allows the operator to engage the lead screw half-nuts 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 A machinist is required to cut a spur gear with a pitch-circle diameter of 384 mm 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Which property of a metal refers to its ability to resist permanent deformation? (1) 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with THREE pulling forces and 33 marks
9. Q9 Maintenance (Specific)9.1 State THREE factors that affect the coefficient of friction between two surfaces. (3) 18 marks
10. Q10 Joining Methods (Specific)10.1 Define the following screw thread terminology: 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 FIGURE 11.1 below shows a hydraulic system. 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration could be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE safety precautions to adhere to when using a manual guillotine. 10 marks
3. Q3 Materials (Generic)3.1 State the THREE factors that affect the hardness of steel during the heat- 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 An aluminium ring must be manufactured using a 20 x 20 mm square bar. The 23 marks
6. Q6 Tools and Equipment (Specific)6.1 FIGURE 6.1 below shows a drill press. Label A–F. 18 marks
7. Q7 Forces (Specific)7.1 A steel framework is shown in FIGURE 7.1 below. Answer the questions that 45 marks
8. Q8 Joining Methods (Inspection of Welds) (Specific)8.1 State TWO uses of weld gauges. (2) 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 State TWO factors that cause residual stress in welds. (2) 18 marks
10. Q10 Maintenance (Specific)10.1 How can the life span of equipment be extended? (2) 8 marks
11. Q11 Terminology (Development) (Specific)11.1 A truncated cone is shown in FIGURE 11.1 below. The vertical height of the 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments.
8. The value of gravitational acceleration could be taken as 9,81 m/s2 or 10 m/s2.
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State TWO situations when basic first aid should be given to help and support 10 marks
3. Q3 Materials (Generic)3.1 State whether steel is heated either below or above the critical temperature 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 FIGURE 5.1 below shows a compression tester. Answer the questions that 23 marks
6. Q6 Engines (Specific)6.1 The following questions are based on the crankshaft of an internal 28 marks
7. Q7 Forces (Specific)7.1 Define the following terms: 32 marks
8. Q8 Maintenance (Specific)8.1 Answer the following questions on the exhaust gas analysis on an internal 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 State THREE advantages of an automatic gearbox fitted with a torque 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State TWO improvements that result from correcting the wheel alignment. (2) 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 9,81 m/s or 2 10 m/s .
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic) 6 marks
2. Q2 Safety (Generic) 10 marks
3. Q3 Materials (Generic) 14 marks
4. Q4 Multiple-Choice Questions (Specific) 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific) 18 marks
6. Q6 Terminology (Indexing) (Specific) 28 marks
7. Q7 Tools and Equipment (Specific) 13 marks
8. Q8 Forces (Specific) 33 marks
9. Q9 Maintenance (Specific) 18 marks
10. Q10 Joining Methods (Specific) 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific) 28 marks

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State TWO situations when basic first aid should be given to help and support 10 marks
3. Q3 Materials (Generic)3.1 State whether steel is heated either below or above the critical temperature 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 FIGURE 5.1 below shows a drawing of a roof truss. Label parts A–G. 23 marks
6. Q6 Tools and Equipment (Specific)6.1 Explain the working principle of the following machines: 18 marks
7. Q7 Forces (Specific)7.1 FIGURE 7.1 below shows a beam supported by two vertical supports, RL and 45 marks
8. Q8 Joining Methods (Inspection of Weld) (Specific)8.1 State THREE measures to prevent incomplete penetration during the 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 State THREE purposes of relieving stress caused by the heat treatment 18 marks
10. Q10 Maintenance (Specific)10.1 State TWO common causes of failure in machines. (2) 8 marks
11. Q11 Terminology (Development) (Specific)11.1 Name the transformer used to convert square ventilation to round ducting. (2) 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 9,81 m/s or 2 10 m/s .
9. ALL dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Which safety precaution must be adhered to after the work on any machine is 10 marks
3. Q3 Materials (Generic)3.1 Why is tempering of steel done after hardening? (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 With reference to the engine cylinder compression test, answer the following 23 marks
6. Q6 Engines (Specific)6.1 FIGURE 6.1 below shows a component of a four-cylinder in-line (straight) 28 marks
7. Q7 Forces (Specific)7.1 Define swept volume of an internal combustion engine. (2) 32 marks
8. Q8 Maintenance (Specific)8.1 TABLE 8.1 below shows the results of the gas analysis of an internal 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 A vehicle is fitted with an automatic gearbox. Explain how the following 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State TWO features required for a well-designed steering system. (2) 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Which safety precaution must be adhered to after the work on any machine is 10 marks
3. Q3 Materials (Generic)3.1 Why is tempering of steel done after hardening? (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 FIGURE 5.1 below shows a screw-cutting dial found on a lathe machine. 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 Willy is a machinist and is tasked to cut a spur gear with a pitch-circle 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Name the different types of indenters used in the following hardness testers: 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with three tensile forces and one 33 marks
9. Q9 Maintenance (Specific)9.1 Why is it necessary to conduct maintenance on an operating system? (2) 18 marks
10. Q10 Joining Methods (Specific)10.1 Bianca needs to manufacture a two-start square threaded bar. The lead of the 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 FIGURE 11.1 below shows a hydraulic press. A force of 85 N acts on the 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Which safety precaution must be adhered to after the work on any machine is 10 marks
3. Q3 Materials (Generic)3.1 Why is tempering of steel done after hardening? (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 State the purpose of purlins in roof trusses. (2) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 State THREE main uses of a bench grinder. (3) 18 marks
7. Q7 Forces (Specific)7.1 FIGURE 7.1 below shows a framework with members AE, BF, CF, DE and 45 marks
8. Q8 Joining Methods (Weld Inspection) (Specific)8.1 State TWO aspects to check when doing a visual inspection on welded joints. (2) 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 State TWO factors that affect distortion and residual stress in a welded joint. (2) 18 marks
10. Q10 Maintenance (Specific)10.1 Define maintenance. (3) 8 marks
11. Q11 Terminology (Developments) (Specific)11.1 FIGURE 11.1 below shows the top view of a hopper with a vertical height 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Why should the rated speed of the grinding wheel never exceed the maximum 10 marks
3. Q3 Materials (Generic)3.1 Define tempering of steel. (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 Describe how a wet compression test is done on an internal combustion 23 marks
6. Q6 Engines (Specific)6.1 Name FOUR components of a motor vehicle that are driven by the crankshaft. (4) 28 marks
7. Q7 Forces (Specific)7.1 Define the following terms with regard to an internal combustion engine: 32 marks
8. Q8 Maintenance (Specific)8.1 State THREE exhaust gas analyser readings that indicate a lean fuel mixture. (3) 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 FIGURE 9.1 below shows a lockup torque converter. Answer the questions 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State THREE pre-checks performed on the vehicle suspension before wheel 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Why should the rated speed of the grinding wheel never exceed the maximum 10 marks
3. Q3 Materials (Generic)3.1 Define tempering of steel. (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 State TWO disadvantages of cutting a taper on a lathe machine using the 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 A spur gear, with a pitch-circle diameter of 168 mm and 42 teeth, is needed 28 marks
7. Q7 Tools and Equipment (Specific)7.1 State THREE different test results that can be obtained from a tensile tester. (3) 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of four forces acting on the same point. 33 marks
9. Q9 Maintenance (Specific)9.1 What is the main purpose of maintenance? (1) 18 marks
10. Q10 Joining Methods (Specific)10.1 A triple-start square threaded bar needs to be manufactured. The lead of the 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 FIGURE 11.1 below shows a hydraulic lift. The lift needs to raise a maximum 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic) 6 marks
2. Q2 Safety (Generic) 10 marks
3. Q3 Materials (Generic) 14 marks
4. Q4 Multiple-Choice Questions (Specific) 14 marks
5. Q5 Terminology (Templates) (Specific) 23 marks
6. Q6 Tools and Equipment (Specific) 18 marks
7. Q7 Forces (Specific) 45 marks
8. Q8 Joining Methods (Inspection of Welds) (Specific) 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific) 18 marks
10. Q10 Maintenance (Specific) 8 marks
11. Q11 Terminology (Developments) (Specific) 21 marks

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 First aid is a basic treatment to help an injured person and usually occurs in 10 marks
3. Q3 Materials (Generic)3.1 All heat-treatment processes involve the heating and cooling of metals 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 FIGURE 5.1 shows a compression tester. Label parts A–D as indicated in 23 marks
6. Q6 Engines (Specific)6.1 State TWO methods to correct the static imbalance of a crankshaft. (2) 28 marks
7. Q7 Forces (Specific)7.1 Define the following terms: 32 marks
8. Q8 Maintenance (Specific)8.1 A pressure drop occurred during a cooling system pressure test. The table 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 State ONE difference between driving a vehicle fitted with an automatic 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 Describe THREE requirements of a well-planned steering mechanism. (3) 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 First aid is a basic treatment to help an injured person and usually occurs in 10 marks
3. Q3 Materials (Generic)3.1 All heat-treatment processes involve the heating and cooling of metals 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 State THREE disadvantages of cutting a taper on a centre lathe using the 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 Thabo is a machinist and is tasked to cut a spur gear with a pitch-circle 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Determine the depth micrometer reading shown in FIGURE 7.1. 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 shows a system of forces with four forces acting on the same 33 marks
9. Q9 Maintenance (Specific)9.1 State TWO consequences of a lack of preventative maintenance of 18 marks
10. Q10 Joining Methods (Specific)10.1 A two-start square threaded bar needs to be manufactured. The lead of the 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 FIGURE 11.1 shows a hydraulic system with piston A with a diameter of 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 First aid is a basic treatment to help an injured person and usually occurs in 10 marks
3. Q3 Materials (Generic)3.1 All heat-treatment processes involve the heating and cooling of metals 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 Why does the template loft floor have permanent base and centre lines? (1) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 Describe the working principles of a plasma cutter. (4) 18 marks
7. Q7 Forces (Specific)7.1 Define the following terms: 45 marks
8. Q8 Joining Methods (Inspection of Welds) (Specific)8.1 State TWO causes of EACH of the following arc-welding defects: 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 State FOUR factors that affect the temperature at which cold-worked steel will 18 marks
10. Q10 Maintenance (Specific)10.1 What would be the effect of overloading on the following equipment? 8 marks
11. Q11 Terminology (Development) (Specific)11.1 FIGURE 11.1 shows a square-to-square off-centre hopper with a vertical 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. 2
8. The value of gravitational acceleration should be taken as 10 m/s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Meervoudigekeuse-Vrae (Generies)Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies die 6 marks
2. Q2 Veiligheid (Generies)2.1 'n Sweislas moet met 'n hoekslyper geslyp word. Noem TWEE 10 marks
3. Q3 Materiaal (Generies)3.1 Noem en beskryf die VIER toetse wat gebruik word om tussen die 14 marks
4. Q4 Meervoudigekeuse-Vrae (Spesifiek)Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies die 14 marks
5. Q5 Terminologie (Draaibank en Freesmasjien) (Spesifiek)5.1 Bereken die loskop-oorstelling benodig om 'n taps van 7° (ingeslote hoek) op 18 marks
6. Q6 Terminologie (Indeksering) (Spesifiek)6.1 'n Reguittandrat het 'n steeksirkeldiameter van 99 mm en 'n module van 3. 28 marks
7. Q7 Gereedskap en Toerusting (Spesifiek)7.1 FIGUUR 7.1 hieronder toon die Rockwell-hardheidstoetser wat gebruik word 13 marks
8. Q8 Kragte (Spesifiek)8.1 FIGUUR 8.1 hieronder toon 'n stelsel van kragte met vier saamvlakkige 33 marks
9. Q9 Instandhouding (Spesifiek)9.1 Gee TWEE redes waarom voorkomende instandhouding vir meganiese 18 marks
10. Q10 Hegtingsmetodes (Spesifiek)10.1 'n Driegang- vierkantige skroefdraad met 'n styging van 30 mm moet op 'n 18 marks
11. Q11 Stelsels en Beheer (Aandrywingstelsels) (Spesifiek)11.1 Noem TWEE voordele van 'n kettingaandrywingstelsel in vergelyking met 'n 28 marks

Instructions to candidates

1. Skryf jou sentrumnommer en eksamennommer in die ruimtes wat op die ANTWOORDEBOEK verskaf word.
2. Lees AL die vrae noukeurig.
3. Beantwoord AL die vrae.
4. Nommer die antwoorde korrek volgens die nommeringstelsel wat in hierdie vraestel gebruik is.
5. Begin ELKE vraag op 'n NUWE bladsy.
6. Toon ALLE berekeninge en eenhede. Rond finale antwoorde tot TWEE desimale plekke af.
7. Kandidate mag nieprogrammeerbare wetenskaplike sakrekenaars en tekeninstrumente gebruik. -2
8. Die waarde van gravitasieversnelling moet as 10 m.s geneem word.
9. Alle afmetings is in millimeter, tensy anders in die vraag aangedui.
10. Skryf netjies en leesbaar.
11. 'n Formuleblad is aan die einde van die vraestel aangeheg.
12. Gebruik die kriteria hieronder om jou met jou tydbestuur te help. VRAAG INHOUD PUNTE TYD in minute GENERIES 1 Meervoudigekeuse-vrae 6 6 2 Veiligheid 10 10 3 Materiaal 14 14 SPESIFIEK 4 Meervoudigekeuse-vrae 14 10 5 Gereedskap en Toerusting 23 20 6 Enjins 28 25

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 A welded joint needs to be ground using an angle grinder. State TWO safety 10 marks
3. Q3 Materials (Generic)3.1 Name and describe the FOUR tests used to distinguish between the different 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 Nelson conducted a compression test on a four-cylinder petrol engine and 23 marks
6. Q6 Engines (Specific)6.1 Proper balancing of all moving engine parts is essential at a high engine 28 marks
7. Q7 Forces (Specific)7.1 Define the term compression ratio of an engine. (2) 32 marks
8. Q8 Maintenance (Specific)8.1 State THREE manufacturers' specifications that could be used to conduct an 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 Name TWO methods used to cool the oil in the automatic transmission of a 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State FIVE factors to be taken into account before attempting a wheel 32 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. -2
8. The value of gravitational acceleration should be taken as 10 m.s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 A welded joint needs to be ground using an angle grinder. State TWO safety 10 marks
3. Q3 Materials (Generic)3.1 Name and describe the FOUR tests used to distinguish between the different 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 Calculate the tailstock set-over required for turning a taper of 7° (included 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 A spur gear has a pitch-circle diameter of 99 mm and a module of 3. 28 marks
7. Q7 Tools and Equipment (Specific)7.1 FIGURE 7.1 below shows the Rockwell hardness tester used to determine the 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with four coplanar forces acting 33 marks
9. Q9 Maintenance (Specific)9.1 Give TWO reasons why preventative maintenance is important for mechanical 18 marks
10. Q10 Joining Methods (Specific)10.1 A three-start square thread with a lead of 30 mm needs to be cut on a lathe. 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific)11.1 State TWO advantages of a chain drive system when compared with a belt 28 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. -2
8. The value of gravitational acceleration should be taken as 10 m.s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 A welded joint needs to be ground using an angle grinder. State TWO safety 10 marks
3. Q3 Materials (Generic)3.1 Name and describe the FOUR tests used to distinguish between the different 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 FIGURE 5.1 below indicates a roof truss. Label parts A–E. 23 marks
6. Q6 Tools and Equipment (Specific)6.1 Explain the operating principles of a punch and shear machine. (5) 18 marks
7. Q7 Forces (Specific)7.1 Graphically determine the magnitude and type of member in the framework 45 marks
8. Q8 Joining Methods (Weld Inspection) (Specific)8.1 State TWO factors that should be taken into account during oxy-acetylene 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 Describe the meaning of shrinkage in a welded joint. (4) 18 marks
10. Q10 Maintenance (Specific)10.1 State ONE effect of overloading on EACH of the following machines: 8 marks
11. Q11 Terminology (Development) (Specific)11.1 FIGURE 11.1 below shows an off-centre rectangular to rectangular hopper. 21 marks

Instructions to candidates

1. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the answers correctly according to the numbering system used in this question paper.
5. Start EACH question on a NEW page.
6. Show ALL calculations and units. Round off final answers to TWO decimal places.
7. Candidates may use non-programmable scientific calculators and drawing instruments. -2
8. The value of gravitational acceleration should be taken as 10 m.s .
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. Write neatly and legibly.
11. A formula sheet is attached at the end of the question paper.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice QuestionsVarious options are provided as possible answers to the following q ues tions. 20 marks
2. Q2 Safety2.1 Name any TWO pieces of personal safety equipment that you need to wear 10 marks
3. Q3 Tools and Equipment3.1 Tools and equipment are very important to complete different tasks in the 12 marks
4. Q4 Materials4.1 Define the term higher critical temperature in the heating of steel. (2) 13 marks
5. Q5 Terminology5.1 A parallel key must be machined to fit onto 84a mm diameter shaft. 30 marks
6. Q6 Joining Methods6.1 State ONE cause of EACH of the following welding defects: 25 marks
7. Q7 Forces7.1 Four forces of are acting on the same point, as shown in FIGU 7R.1E 30 marks
8. Q8 Maintenance8.1 Why is it important to use oil with a higher viscosity i n a manual 15 marks
9. Q9 Systems and Control9.1 FIGURE 9.1 below shows a gear drive system. Driver gear A on the shaft 25 marks
10. Q10 Turbines10.1 Name TWO types of reaction turbines. (2) 20 marks

Instructions to candidates

1. This question paper consists of TEN questions.
2. Write your centre number and examination number in the spaces provided on the ANSWER BOOK.
3. Read ALL the questions carefully.
4. Answer ALL the questions.
5. Number the answers correctly according to the numbering system used in this question paper.
6. Start EACH question on a NEW page.
7. Show ALL calculations and units. Round off ALL answers to TWO decim al places.
8. Candidates may use non-programmable, scientific calculators and drawing instruments. -2
9. Take the value of gravitational force as 10 m/s .
10. All dimensions are in millimetres, unless stated otherwise in the question.
11. A formula sheet for your use is attached to this question paper.
12. Write neatly and legibly.
13. Use the guidelines below to assist you in managing your time.