Mechanical Technology Memo 1 (Afrikaans)

Feb-March 2012 — Grade 12 / Matric — Mechanical Technology

Memo 2012 Grade 12 Afrikaans

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🎯 200 marks 📄 15 pages 📝 77 items found ∑ 1 math symbols 🔑 1 key info

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Q1— Section header —

1.6C D

1.14C D

1.20

1.1A B

1.2A B C

1.3A B A B C D

1.5A B C B C D

1.7A B A B C D A B C D B C D A B C D

1.12A B C A B C D B C D

1.15A B C

1.16A B B C D A B C D A B C D B C D [20]20

2.1Sisgeluid by vergasser inlaatklep lek Sisgeluid by uitlaatpyp uitlaatklep lek Sisgeluid by oliemeetstokgat

2.2Ryk mengselverstelling Verkeerde luierspoed Verstopte lugfilter Enige 2 x 1

2.3TOETSE OP METALE:

2.3.2persentasie verlenging van 'n stuk metaal te bepaal. (2) (2)2

2.4Rockwell-hardheidstoetser (1) (1)1

2.5MULTIMETER: GS(DC)-stroommeting GS(DC)-spanningsmeting WS(AC)-stroommeting Weerstandsmeting

2.6

Q2— Section header —

2.3.1

3.1Koolstof en yster (2)2

3.2.2Materiaal B het die hoogste wringweerstand. meer weerstand teen wringkrag het. (1) (2)2

3.3.2saamgesmelt is om sodoende een metaal te vorm. Geelkoper Brons Fosforbrons

3.4MATERIALE VIR WATERKRAAN:

3.4.3Geelkoper Geelkoper of brons Geelkoper/Plastiek/Pe rspeks/Nylon/Piouter

Q3— Section header —

3.2.1Rede: Materiaal B het die minste verwring, wat beteken dat dit NIE-YSTERHOUDENDE LEGERINGS:

3.3.1'n Nie-ysterhoudende legering is 'n metaal wat uit 'n kombinasie van twee of meer nie-yster houdende metale bestaan, wat Voorbeelde van nie-ysterhoudende legerings: Soldeersel

3.4.4Korrosiebestand

3.4.5

Q4— Section header —

4.1FREESMASJIENONDERDELE: Oorarm

4.3SNYTOEVOER: min mm 05

4.4INDEKSERINGSMETODES:

4.4.3Differensiaalindeksering (1) (1)1

4.5FRESE:

4.5.4Heliese frees Hol frees

4.2Deur 'n tweede teenoorges (2\ min/mm05,255184,272461,0min/8370453,27214,01201ffNTffrNNDVNDNV (6\ 4.4 INDEKSERINGSMETODES: 4.4.1 Snelindeksering Hoekindeksering

4.5.1Enkelhoekfrees Swawelstertfrees

4.6Module van kleinrat: mm 25

4.6.1mm25,23975,87modulemTSSDm (2\ 4.6.2

4.6.5Vry ruimte van grootrat:

4.7Kleurstofdeurdr X-straaltoets (3)3

4.8Onvolledige deurdringing: Sweistempo te hoog Foutiewe lasontwerp Elektrode te groot

4.9Gebruik die voorgeskrewe lading vir die toets. van die toetsstuk veroorsaak nie.

4.10Maak seker dat die bene van die tre kker nie geslyt of gebuig is nie. Maak seker dat die bene stewig is tydens die trekking. Gebruik skerms om beserings te voorkom. veroorsaak.

4.8.1Stroom te laag

4.8.2Poreusheid:

4.8.3Sweiskraters: Enige 2 x 1 BRINELL-HARDHEIDSTOETS: Sorg moet gedra word dat die lading ni e toegepas word terwyl die aambeeld in die pad van die ram en Brinell-bal is nie, tensy die toetsstuk op die aambeeld in posisie is.

Q5— Section header —

5.1MONTERING VAN 'N NUWE OLIEFILTER Dreineer die enjinolie, Gebruik 'n oliefiltersleutel om die ou filter te verwyder. Maak die filterarea skoon.

5.2olie opgeneem. (3)3

5.3Dit is rooi gekleur. (2)2

5.4LAERS: Radiale lading Druklading

5.5Vergasser

5.4.1Drie tipes ladings waaraan 'n laer onderwerp kan word: Kombinasie van radiale en drukladings (3\

5.4.3ing van 'n wiellaer: (4\ TURBOAANJAERS:

5.5.1

5.6

5.7(2) [40]40

5.5.2Funksionering van turboaanjaer: Uitlaatgasse vanaf die enjin beweeg deur die omhulsel teen 'n Die gasse gaan dan deur die turb ine-samestel na die normale uitlaatstelsel. Terwyl die turbine draai, draa

5.5.3

6.1Krag op suier A: 246,30 752) (0,0006151 10

Q6— Section header —

6.1.1N246,30752\(0,0006151\10(0,4APFAFPm106,15752m520,000615174(0,028\4DA6AAAA24222A (5\ 6.1.2

6.2SPANNING EN VORMVERANDERING: Diameter van staaf: mm 97 24

6.2.1mm97,24m024972535,010489795,0444m10489795,0105,241012322363ADDAAF (6\ 6.2.2 Verandering in lengte:

6.3.1katrol: r/min 78 738 230 440 118

6.3.2Bandspoed: ms 90 60

6.3.3kW 60 watt 602

6.4.1Krag toegepas: kN 400

6.4.2Snelheidsverhouding: 80 560 120 200

6.4.357,14 100 100

6.5.1Nm 283 09

6.5.2kW 133 60 283

Mathematical Content

f(x)

Mark Allocation

Total200 marks

Sections20 + 20 + 20 + 20 + 50 + 40 + 50 + 50 = 270 marks

Per-question sum177 marks

Key Information

Contact Number0 000272222

Paper information

SubjectMechanical Technology

Year2012

SessionFeb-March

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages15

Downloads3

Examination context

Decade2010s

Years ago14y

Season—

Start day—

Exam period—

Days since exam—

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