Mechanical Technology Grade 12 Term 3 September Past Papers and Memos

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name THREE recommendations for the application of first aid to an injured 10 marks
3. Q3 Materials (Generic)3.1 State if EACH of the following materials is EASY or DIFFICULT to cut during a 14 marks
4. Q4 Multiple-Choice Questions (Specific) (Compulsory)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Tools and Equipment (Specific)5.1 Explain the set-up procedure for a cylinder leakage test. (6) 23 marks
6. Q6 Engines (Specific)6.1 FIGURE 6.1 below shows an engine component. Study it and answer the 28 marks
7. Q7 Forces (Specific)7.1 Name THREE methods to raise or increase the compression ratio of an engine. (3) 32 marks
8. Q8 Maintenance (Specific)8.1 List at least THREE possible causes of oil pressure that is too high. (3) 23 marks
9. Q9 Systems and Control (Automatic Gearbox)9.1 What is the purpose of the automatic gearbox? (2) 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State FOUR properties of a good steering mechanism in a vehicle. (4) 32 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments.
8. The value of gravitational force should be taken as 10 m/s-2.
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time. TIME in

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name THREE recommendations for the application of first aid to an injured 10 marks
3. Q3 Materials (Generic)3.1 State if EACH of the following materials is EASY or DIFFICULT to cut during a 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminilogy (Lathe and Milling Machice) (Specific)5.1 FIGURE 5.1 shows a taper with an included angle of 10° which should be 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 A spur gear has 48 teeth and a module of 3. Calculate the following: 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Which precision measuring instrument is used to measure the following 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 shows a system of four forces acting on the same point. Answer 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 State TWO uses of a square thread. (2) 18 marks
11. Q11 Systems and Controls (Specific)11.1 State THREE advantages of a chain drive when compared to a belt drive. (3) 28 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments.
8. The value of gravitational force should be taken as 10 m/s-2.
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time. TIME

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name THREE recommendations for the application of first aid to an injured 10 marks
3. Q3 Materials (Generic)3.1 State if EACH of the following materials is EASY or DIFFICULT to cut during a 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 Define the term template loft. (2) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 FIGURE 6.1 below is the machine used in the workshop. 18 marks
7. Q7 Forces (Specific)7.1 A steel shaft of diameter 32 mm is lengthened by 0,5 mm when a tensile load 45 marks
8. Q8 Joining Methods – Inspection of Welds8.1 State TWO factors that should be taken into account during oxy-acetylene 23 marks
9. Q9 Joining Methods – Stresses and Distortion9.1 Define the following terms: 18 marks
10. Q10 Joining Methods (Specific)10.1 Give THREE causes of malfunction of guillotines. (3) 8 marks
11. Q11 Terminology – Development (Specific)11.1 Use freehand sketches to indicate the difference between an on-centred 21 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments.
8. The value of gravitational force should be taken as 10 m/s2.
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time. TIME in

1. Q1 Meervoudigekeuse-Vrae (Generies)
2. Q2 Veiligheid (Generies) 10 marks
3. Q3 Question 3 14 marks
4. Q4 Question 4 14 marks
5. Q5 Terminologie(Maatvorms)(Spesifiek) 23 marks
6. Q6 Gereedskap en Toerusting (Spesifiek) 18 marks
7. Q7 Kragte (Spesifiek) 45 marks
8. Q8 Hegtingsmetodes (Inspeksie van Sweising) (Spesifiek) 23 marks
9. Q9 Hegtingsmetodes (Spannings en Vervorming) (Spesifiek) 18 marks
10. Q10 Instandhouding (Spesifiek) 8 marks
11. Q11 Terminologie (Ontwikkeling) (Spesifiek) 21 marks

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 Noem TWEE veiligheidsmaatreëls wat nagekom moet word wanneer ʼn 10 marks
3. Q3 Materiale (Generies)3.1 Noem enige DRIE toetse wat gebruik word om tussen die verskillende tipes 14 marks
4. Q4 Meervoudigekeuse-Vrae (Spesifiek)Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies die 14 marks
5. Q5 Gereedskap en Toerusting (Spesifiek)5.1 Verduidelik die prosedure om ʼn kaart-tipe kompressietoets op ʼn vierslag- 23 marks
6. Q6 Enjins (Spesifiek)6.1 FIGUUR 6.1 hieronder toon ʼn enjin komponent. Bestudeer dit en beantwoord 28 marks
7. Q7 Kragte (Spesifiek)7.1 Definieer die volgende terme met verwysing na enjin silinders: 32 marks
8. Q8 Instandhouding (Spesifiek)8.1 Gedurende ʼn verkoelingstelseldruktoets op ʼn binnebrandenjin, het die drukking 23 marks
9. Q9 Stelsels en Beheer (Outomatiese Ratkas) (Spesifiek)9.1 Noem TWEE voordele vir die gebruik van ʼn outomatiese ratkas. (2) 18 marks
10. Q10 Stelsels en Beheer (Asse, Stuurgeometrie en Elektronika) (Spesifiek)10.1 Noem VIER faktore wat in ag geneem moet word voordat wielsporing verstel 32 marks

Instructions to candidates

1. Skryf jou NAAM op die ANTWOORDEBOEK.
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 ʼn NUWE bladsy.
6. Toon ALLE berekeninge en eenhede. Rond finale antwoorde tot TWEE desimale plekke af.
7. Jy mag ʼn nieprogrammeerbare wetenskaplike sakrekenaar en teken- instrumente 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. ʼn Formuleblad is aan die einde van die vraestel aangeheg.
11. Skryf netjies en leesbaar.
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)
2. Q2 Safety (Generic) 10 marks
3. Q3 Materials (Generic) 14 marks
4. Q4 Multiple-Choice Question (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 18 marks
10. Q10 Joining Methods (Specific) 18 marks
11. Q11 Systems and Control (Drive Systems) (Specific) 28 marks

1. Q1 Meervoudigekeuse-Vrae (Generies)Verskeie opsies word as moontlike antwoorde op die volgende vrae verskaf K.ies 6 marks
2. Q2 Veiligheid (Generies)2.1 Noem TWEE veiligheidsmaatreëls wat nagekom moet word wanneer ʼn 10 marks
3. Q3 Materiaal (Generies)3.1 Noem enige DRIE toetse wat gebruik word om tussen die verskillende tipes 14 marks
4. Q4 Meervoudige Keuse-Vrae (Verpligtend)Verskeie opsies word as moontlike antwoorde op die volgende vrae verskaf. Kies die 14 marks
5. Q5 Terminologie (Maatvorms) (Spesifiek)5.1 Noem VIER voorbeelde van smeltsweislasse. (4) 23 marks
6. Q6 Gereedskap en Toerusting (Spesifiek)6.1 Wat is die funksie van stokke en snymoere? (1) 18 marks
7. Q7 Kragte (Spesifiek)7.1 Bereken die linker (RL) en regter (RR) reaksie van die raamstruktuur hieronder. 45 marks
8. Q8 Hegtingsmetodes (Sweis-Inspeksie) (Spesifiek)8.1 Noem DRIE faktore wat nagekom moet word om ʼn goeie sweislas tydens die 23 marks
9. Q9 Hegtingsmetodes (Spanning en Verwringing) (Spesifiek)9.1 Noem TWEE metodes om vervorming in ʼn sweislas te verminder. (2) 18 marks
10. Q10 Instandhouding (Spesifiek)10.1 Gee TWEE redes vir die instandhouding van masjiene in die 8 marks
11. Q11 Terminologie Ontwikkeling (Spesifiek)11.1 Identifiseer die geutbak wat hieronder getoon word. 21 marks

Instructions to candidates

1. Skryf jou naam op die ANTWOORDEBOEK.
2. Lees ALLE vrae noukeurig.
3. Beantwoord AL die vrae.
4. Nommer die antwoorde korrek volgens die nommering stelsel wat in hierdie vraestel gebruik word.
5. Begin ELKE vraag op ʼn 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. ʼn Formuleblad is by die vraestel aangeheg.
11. Skryf netjies en leesbaar.
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 Terminologie (Maatvorms) 23 20 6 Gereedskap e

1. Q1 Meervoudigekeuse-Vrae (Generies) (Verpligtend)Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies 6 marks
2. Q2 Veiligheid (Generies)2.1 Gee DRIE veiligheidsvoorsorgmaatreëls wat jy in ag moet neem voordat 10 marks
3. Q3 Materiaal (Generies)3.1 Noem die TWEE hoofdoelwitte van dopverharding van sagte staal. (2) 14 marks
4. Q4 Meervoudigekeuse-Vrae (Spesifiek)Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies 14 marks
5. Q5 Terminologie (Draaibank en Freesmasjien) (Spesifiek)5.1 Bereken die snydiepte van ʼn metrieke V-skroefdraad met ʼn spoed van 18 marks
6. Q6 Terminologie (Spesifiek)6.1 Noem TWEE voordele van groepfreeswerk. (2) 28 marks
7. Q7 Gereedskap en Toerusting (Spesifiek)7.1 Verduidelik die prosedure/stappe om die Brinell-hardheidstoetser op te stel 13 marks
8. Q8 Kragte (Spesifiek)8.1 FIGUUR 8.1 hieronder toon ʼn stelsel van kragte met vier mededingende/ 33 marks
9. Q9 Instandhouding (Spesifiek)Soliede nylon word vir ingenieursdoeleindes gebruik. FIGUUR 9.1 toon ratwiele van 18 marks
10. Q10 Hegtingsmetodes (Spesifiek)10.1 ’n Reguittandwiel het 48 tande en ’n module van 3. 18 marks
11. Q11 Stelsels en Beheer (Spesifiek)11.1 Definieer die term druk. (1) 28 marks

Instructions to candidates

1. Skryf jou NAAM op die ANTWOORDEBOEK.
2. Lees ALLE vrae noukeurig.
3. Beantwoord AL die vrae.
4. Nommer die antwoorde volgens die nommeringstelsel wat in hierdie vraestel gebruik word.
5. Begin ELKE vraag op ʼn NUWE bladsy.
6. Toon ALLE berekeninge en eenhede. Rond finale antwoorde tot TWEE desimale plekke af.
7. Jy mag ʼn nieprogrammeerbare wetenskaplike sakrekenaars en teken- instrumente 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. ʼn Formuleblad is by die vraestel aangeheg.
11. Skryf netjies en leesbaar.
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 Terminologie (Draaibank en 18 20 Freesmasjien

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Give THREE safety precautions you must take into consideration before arc 10 marks
3. Q3 Materials (Generic)3.1 State the TWO main purpose of case hardening mild steel. (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. 14 marks
5. Q5 Tools and Equipment (Specific)5.1 Give TWO safety precautions you must adhere to when using an emission 23 marks
6. Q6 Engines (Specific)6.1 Name TWO main functions of a crankshaft in an engine that enables it to set 28 marks
7. Q7 Forces (Specific)7.1 Briefly explain the following terms in the cylinder of an internal combustion 32 marks
8. Q8 Maintenance (Specific)8.1 State THREE different types of gases coming out of an exhaust system that are 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 What is the purpose of installing an automatic transmission on modern 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 What is the function of a steering mechanism? (2) 32 marks

Instructions to candidates

1. Write your NAME on the ANSWER BOOK.
2. Read ALL the questions carefully.
3. Answer ALL the questions.
4. Number the questions 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. You may use a 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. A formulae sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time management.

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. 6 marks
2. Q2 Safety (Generic)2.1 Give THREE safety precautions you must take into consideration before 10 marks
3. Q3 Materials (Generic)3.1 State the TWO main purpose of case hardening mild steel. (2) 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. 14 marks
5. Q5 Terminology (Lathe and Milling Machice) (Specific)5.1 Calculate the cutting depth of a metric V-screw thread with a pitch of 2,5 mm 18 marks
6. Q6 Terminology (Indexing) (Specific)6.1 State TWO advantages of gang milling. (2) 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Explain the procedure/steps of setting up the Brinell hardness tester and 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with four concurrent applied 33 marks
9. Q9 Maintenance (Specific)Solid nylon is widely used for engineering purposes. FIGURE 9.1 shows gear 18 marks
10. Q10 Joining Methods (Specific)10.1 A spur gear has 48 teeth and a module of 3. 18 marks
11. Q11 Systems and Control (Specific)11.1 Define the term pressure. (1) 28 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. -2
8. The value of gravitational force should be taken as 10 m/s .
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time management.

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Give THREE safety precautions you must take into consideration before arc 10 marks
3. Q3 Materials (Generic)3.1 State the TWO main purpose of case hardening mild steel. (2) 14 marks
4. Q4 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 What does ‘OSU’ indicate on templates? (1) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 FIGURE 6.1 below depicts the basic operating principles of a welding circuit. 18 marks
7. Q7 Forces (Specific)7.1 A load of 80 Kn causes a tensile stress of 30 MPa in a round bar. The original 45 marks
8. Q8 Joining Methods (Inspection of Welds) (Specific)8.1 Describe how the liquid dye penetrant test is done on a welded joint. (8) 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 How would you go about your welding procedure to prevent warping? (4) 18 marks
10. Q10 Maintenance10.1 Why should locking plates have multiple holes as depicted below? 8 marks
11. Q11 Terminology (Specific)11.1 FIGURE 11.1 shows a rectangle-to-rectangle off-centre hopper with a 21 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. -2
8. The value of gravitational force should be taken as 10 m/s .
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time management.

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 (Development) 21 marks

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE personal protective equipment (PPE) that must be worn before 10 marks
3. Q3 Materials (Generic)3.1 State ONE test required to identify each of the following properties 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 below shows wheel alignment equipment commonly used in tyre 23 marks
6. Q6 Engine (Specific)6.1 What is the main function of a crankshaft? (2) 28 marks
7. Q7 Forces (Specific)7.1 Briefly explain the term swept volume of an internal combustion engine. (2) 32 marks
8. Q8 Maintenance (Specific)8.1 State FOUR different types of gas coming out of a vehicle exhaust system that 23 marks
9. Q9 System and Control (Automatic Gearbox) (Specific)9.1 State THREE major advantages of using an automatic gearbox. (3) 18 marks
10. Q10 System and Control (Axles, Steering Geometry and Eletronics) (Specific)10.1 What do you understand by the term camber? (2) 32 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. 2
8. The value of gravitational force should be taken as 10 m/s
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE personal protective equipment (PPE) that must be worn, before 10 marks
3. Q3 Materials (Generic)3.1 State ONE test required to identify each of the following properties of metals. 14 marks
4. Q4 Multiple-Choice Question (Specific)Various options are provided as possible answers to the following questions. 14 marks
5. Q5 Terminology (Lathe and Milling Machine) (Specific)5.1 List the names of TWO types of steadies that are used when working on the 18 marks
6. Q6 Terminology (Specific)6.1 With an aid of simple line diagrams, sketch the following milling methods: 28 marks
7. Q7 Tools and Equipment (Specific)7.1 Explain how the following hardness tests are performed. 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with four concurrent applied 33 marks
9. Q9 Maintenance (Specific)9.1 Classify the following materials as either thermoplastic composites or thermo 18 marks
10. Q10 Joining Methods (Specific)10.1 A spur gear has 48 teeth and a module of 3. 18 marks
11. Q11 Systems and Control (Specific)11.1 Define the term pressure. (2) 28 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. 2
8. The value of gravitational force should be taken as 10 m/s .
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time.

1. Q1 Multiple-Choice Questions (Generic) (Compulsory)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 State THREE personal protective equipment (PPE) that must be worn before 10 marks
3. Q3 Materials (Generic)3.1 State ONE test required to identify each of the following properties of metals. 14 marks
4. Q4 Multiple-Choice Questions (Specific) (Compulsory)Various options are provided as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 Identify THREE tools necessary to layout a roof truss in the template loft. (3) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 Describe what the consequences would be if you were to grind soft material 18 marks
7. Q7 Forces (Specific)7.1 Your Welding and Metalwork group is performing a tensile test using a mild 45 marks
8. Q8 Joining Methods (Inspection of Welds) (Specific)8.1 List FOUR important welding processes on a checklist to inspect a completed 23 marks
9. Q9 Joining Methods (Stresses and Distortion) (Specific)9.1 Explain what is meant by weld distortion. (2) 18 marks
10. Q10 Maintenance10.1 What is the responsibility of the employer with regards to machine maintenance 8 marks
11. Q11 Terminology (Specific)11.1 FIGURE 11.1 below indicates a conical hopper. 21 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. 2
8. The value of gravitational force should be taken as 10 m/s .
9. All dimensions are in millimeters, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
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 6 marks
2. Q2 Veiligheid (Generies)2.1 Noem enige TWEE persoonlike veiligheidstoerusting wat jy met die 10 marks
3. Q3 Materiaal (Generies)3.1 Die volgende tabel toon die verskillende tipes toetse en materiale. 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 Freesmasjiene) (Spesifiek)5.1 Beskryf die funksie van die volgende draaibank-komponente: 18 marks
6. Q6 Terminologie (Spesifiek)6.1 Verduidelik die funksie van die volgende freesmasjien-komponente: 28 marks
7. Q7 Gereedskap en Toerusting (Spesifiek)7.1 Met behulp van netjiese sketse, beklemtoon die verskil tussen die volgende 13 marks
8. Q8 Kragte (Spesifiek)8.1 FIGUUR 8.1 hieronder toon ʼn stelsel van kragte met vier gelyktydige 33 marks
9. Q9 Instandhouding (Spesifiek)9.1 Wat is die doel van die volgende termo-verharde samestellings? 18 marks
10. Q10 Hegtingmetodes (Spesifiek)10.1 ʼn Produksieinspekteur ondersoek ratte wat vervaardig is. Hy vind dat daar 18 marks
11. Q11 Stelsel en Beheer (Spesifiek)11.1 Beskryf die werksbeginsel van rataandrywing. (2) 28 marks

Instructions to candidates

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

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 any TWO pieces of personal safety equipment that you need to wear 10 marks
3. Q3 Materials (Generic)3.1 The following table shows the different types of tests and materials. 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are provided as possible answers to the following questions. 14 marks
5. Q5 Tools and Equipment (Specific)5.1 The figure below shows the alignment equipment used in an automotive 23 marks
6. Q6 Engines (Specific)6.1 A crankshaft is subject to vibrations as the engine runs. Give TWO factors 28 marks
7. Q7 Forces (Specific)7.1 What do you understand by the term compression ratio? (2) 32 marks
8. Q8 Maintenance (Specific)8.1 A car exhaust gas was analysed and it was discovered that there was a high 23 marks
9. Q9 Systems and Control (Automatic Gearbox) (Specific)9.1 What was the main purpose behind the design of an automatic gearbox in 18 marks
10. Q10 Systems and Control (Axles, Steering Geometry and Electronics) (Specific)10.1 State FOUR properties of a good steering mechanism. (4) 32 marks

Instructions to candidates

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

1. Q1 Multiple-Choice (Generic)Various options are provided as possible answers to the following questions. 6 marks
2. Q2 Safety (Generic)2.1 Name any TWO pieces of personal safety equipment that you need to wear 10 marks
3. Q3 Materials (Generic)3.1 The following table shows the different types of tests and materials. 14 marks
4. Q4 Multiple Choice (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 Describe the function of the following centre lathe components: 18 marks
6. Q6 Terminology (Specific)6.1 Explain the function of the following milling machine components: 28 marks
7. Q7 Tools and Equipment (Specific)7.1 With the aid of neat sketches, highlight the difference between the 13 marks
8. Q8 Forces (Specific)8.1 FIGURE 8.1 below shows a system of forces with four concurrently applied 33 marks
9. Q9 Maintenance (Specific)9.1 What is the purpose of the following thermo-hardened composites? 18 marks
10. Q10 Joining Methods (Specific)10.1 A product inspector inspects gears that have been manufactured, he finds 18 marks
11. Q11 Systems and Control (Specific)11.1 Describe the principle of operation of a gear drive. (2) 28 marks

Instructions to candidates

1. Write your NAME 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. You may use a non-programmable scientific calculator and drawing instruments. -2.
8. The value of gravitational force should be taken as 10 m.s
9. All dimensions are in millimetres, unless stated otherwise in the question.
10. A formula sheet is attached to the question paper.
11. Write neatly and legibly.
12. Use the criteria below to assist you in managing your time management.

1. Q1 Multiple-Choice (Generic)Various options are provided as possible answers to the following questions. Choose 6 marks
2. Q2 Safety (Generic)2.1 Name any TWO pieces of personal safety equipment that you need to wear 10 marks
3. Q3 Materials (Generic)3.1 The following table shows the different types of tests and materials. 14 marks
4. Q4 Multiple-Choice Questions (Specific)Various options are given as possible answers to the following questions. Choose 14 marks
5. Q5 Terminology (Templates) (Specific)5.1 Define a template loft. (2) 23 marks
6. Q6 Tools and Equipment (Specific)6.1 State TWO uses of each of the following machines: 18 marks
7. Q7 Forces (Specific)7.1 Define the following terms: 45 marks
8. Q8 Joining Methods (Inspection Weld) (Specific)8.1 Name TWO things to be observed during oxy-acetylene or arc welding to 23 marks
9. Q9 Joining Methods (Stresses) (Specific)9.1 Define the following terms: 18 marks
10. Q10 Maintenance (Specific)10.1 What is the purpose of keeping service records of maintenance of 8 marks
11. Q11 Terminology (Development) (Specific)11.1 FIGURE 11.1 below shows a conical hopper. 21 marks

Instructions to candidates

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