Electrical Technology Memo 1 (Afrikaans)

November 2009 — Grade 12 / Matric — Electrical Technology

Memo 2009 Grade 12 Afrikaans

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🎯 200 marks 📄 13 pages 📝 66 items found ∑ 1 math symbols 📚 1 topics

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1.1Lugbesoedeling veroorsaak deur die opwekking van elektrisiteit, Water, afval veroorsaak deur die opwe van energietoestelle

1.2Bemarking Aanbieding

1.3Ingeslotenheid Fisiese toeganklikheid Menseregte

Q2— Section header —

2.1.1(2)2

2.1.3en samestelling moet korrek wees Die versterker se klank moet hard genoeg wees om in die bejaarde mense se behoeftes te voorsien. Korrekte werking INSET

Q1— Section header —

Q2— Section header —

Q3— Section header —

3.1Maak seker dat die soldeerbout in gebruik word nie, om sodoende skade en 'n brand te voorkom. (meer opsies) (2)2

3.2Maak seker dat daar geen fisiese kont ak met die chemiese middels is nie. Dit sal jou klere beskadig asook jou vel. (2)2

3.32

3.42

3.5Maak seker dat die meter in par allel in die kringbaan verbind word. Maak seker dat die meter se toetsdrade op die regte plekke verbind word aan die meter.

4.1'n Driefasestelsel is meer veelsydig as of delta verbind word. (1)1

4.2wat induktief is. Stroom deur 'n i nduktor verbind aan 'n WS-toevoer is nalopend met betrekking tot die toevoerspanning. (3)3

4.3Ph Ph Ph

Q4— Section header —

4.3.1kW (3) vir lynstroom gegee moet word. Nasieners moet enige fout wat leerders maak in ber

4.3.2kVA cos

5.1.1(1)1

5.1.2(1)1

5.1.3(1)1

5.2.150 (3)3

5.2.250 30 cos cos

5.2.350

Q5— Section header —

67.16Blaai om asseblief

5.3.2fL

Q6— Section header —

6.1Wanneer die spanning verhoog word oor die DIAK, reageer dit dan soos oop skakelaar. Sodra die snellerspanning van die DI AK bereik word, verlaag

6.3Halfpunte moet nie g ebruik wor nie. Die punte m oet as volg to egeken word: 2 punte vir die korrekte golfvorm, 1 punt vir die benoeming van die horisont ale

6.4Skakel aan . 'n Pos tiewe s anning moet op die anodeterminaal geplaas word. Die BSG is nou gereed om te gelei . Wanneer die korrekte positiewe

6.5Wanneer die snellerkringbaan geen kapasit or in het nie, sal die snellersein Omgekeerde

6.6Die voordeel van die TRIAK en BSG in verliese het met betrekking tot die krag wat beheer word. (2)2

6.7Die TRIAK het volgol halfgolfbeheer het. (1)1

7.1Positiewe terugvoer is wanneer die ui tsetsein by die insetsein getel word. frekwensies verdwyn. (3)3

7.3.1in die gedraggrafiek met negatiewe Die kenkromme is platter

7.3.2Ja, (2) Versterkte sein Natuurlike-

Q7— Section header —

7.4.2(3)3

Q8— Section header —

8.3.1kVA PF 12

8.3.2LS

8.3.3(3) [15]15

9.1Sinchrone tellers (Ook bekend as geklokte en ongeklokte tellers)

9.2Monostabiel Astabiel Bistabiel

9.3(2)2

9.4Minder komponente soos kontaktors word benodig en slytasie is minder Eenhede het ook ingeboude diagnostiese funksies. (1)1

Q9— Section header —

9.5>= Indien sommige leerders nie die Y inset getoon het nie maar die Y uitset direk die OF hek teruggevoer het is dit ook aanvaarbaar

9.6.1_ _ F = A.B.C + A.B.C + A.B.C + A.B.C

9.8Eerstens word J of K gestel of herstel en dan sal die klokpu

Q10— Section header —

10.1.1(enige aanvaarbare elektr iese toets) (2)2

10.1.2Raas die laers of voel hulle grof wanneer dit gedraai word Het die raam enige krake? (enige aanvaarbare megani ese toets)

10.2.1Veldspoelwindings

10.2.2Laer en / of laeromhulsel (antwoord moet na laers verwys)

10.2.3Anker / Kourotor of soortgelyke antwoord

10.2.4Stator / Omhulsel (4)4

10.3'n Driefase-WS-toevoer word verbind oor die statorwindings in ster of delta. Weens die faseverskil van di e strome in die statorwi Die roterende magneetveld in die stator beweeg oor die geleiers in die rotor,

10.4Gegee: Pf Motor Ph

10.4.2Ph

10.4.3va but

10.5

8.0cos_ sin3 xxxQthus IVQ LL RLC

Mathematical Content

trig

Topics Identified

Machines

Mark Allocation

Total200 marks

Sections10 + 10 + 10 + 10 + 30 + 25 + 25 + 15 + 35 + 30 = 200 marks

Per-question sum206 marks

Paper information

SubjectElectrical Technology

Year2009

SessionNovember

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages15

Downloads5

Examination context

Decade2000s

Years ago17y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2009

Days since exam6,196

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