Sweis NCV Level 3 — Memo

Februarie 2020 — NCV Level 3 — Sweis

NCV Level 3 2020 NCV Engineering

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1.1Basis metaal of vuller metaal is oormatig vuil Foutiewe booglengte, spanning en stroom word gebruik Die elek trode of

1.2is veelsydig en aanpasbaar by n groot verskeidenheid situasies AMBS is goedkoop om te bedryf en in stand te hou. AMBS is maklik om in beperkte ruimtes te gebruik.

2.1.1Waar

2.1.2Onwaar

2.1.3Waar

2.1.4Waar

2.1.5

2.2Om alle vog van die elektrode te verwyder wat dus voorkom dat die metaal kraak (2\

2.3Verkeerde sweising rapping van werkstuk Verlies in koste van materia Kies die punt waar gaan begin word met sweising. Trek jou boog Handhaaf die trek in die rigting van die las wat gesweis moet word

2.5

2.6

3.1tel die verlangde werkdruk

3.2.2Word gebruik om staal en gietyster te smelt (1\

3.2.3Word gebruik vir sweissoldering met bron s stang (1\

3.3Maak seker dat die belyning van die dele korrek is Die sweislas moet behoorlik gedoen word Oppervlak poreusheid Onvolledige wortel penetra sie Sweis ingesny Konveks

4.1

4.2.1In handsweising gebruik n sweiser n sweisstaaf wat aan n houer vasgeklamp word om twee stukke metaal te las (2\

4.2.2semi utomati ese sweising posisioneer die sweiser die elektrode van hand kanon wat die elektrode deur die spuitstuk toevoer (2\

4.2.3In utomati ese sweising gebruik die sweiser meganiese sweistoerusting met kontroles wat nie konstant verstel moet word nie. Dit het outomatiese beheer van boogbeweging langs die sweislyn, die booglengte en die elektrode

4.3Die sweiskragbron moet oopgedraai wees Die stroomtipe of WS moet gekies wees Behoorlike wolfram elektrode moet gekies word Die basis metaal moet skoongemaak en voorberei word

0.0254

5.1Bewegingshoek Bewegingspoed Stroomsterkte dikte van materiaal = 314,96 A (5\

5.3

5.4Ultrasoni ese inspeksie Ele tromagneti ese inspeksie [20] TOT AAL:20

Mark Allocation

Sections10 + 20 + 25 + 20 = 75 marks

Paper information

TitleMemo

SubjectSweis

LevelNCV Level 3

Document typeMemorandum

Year2020

MonthFebruarie

Pages5

Downloads3

Examination context

Decade2020s

Years ago6y

Season—

Start day—

Exam period—

Days since exam—

About Sweis examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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