Gieteryteorie N1 — Memo

April 2018 — N1 — Gieteryteorie

N1 2018 Nated Engineering

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6.1Kombinasie van metale

6.2Holte in die gietstuk wat veroorsaak word deur lug of gas wat vasgevang is

6.3Die deel van die gietraam w at tussen die bokant en onderkant geplaas word wanneer die vorm uit meer as twee dele bestaan

6.4Die onvolkome aansluiting waar twee strome metaal bymekaarkom maar nie saamsmelt nie

6.5Effense tapsheid wat aan die patroon gegee word om die wegtre k van die sand toe te laat

6.6

6.7

6.8

6.9Gebrekkigheid in gietmetale wat te wyte is aan gasholtes, krimp holtes en leegtes

6.10Losmaak van die patroon uit die vorm deur dit te skud of te klop (10

7.1

7.2Die voering aan die onderkant moet dikker wees as aan die kante omdat die gesmelte metaal wat uit die oond gegiet word, die onderkant met krag tref. (2\

7.3Die voering van die gietlepel behoort vesel te bevat. Daar moet luggaatjies aan die kante en die onderkant wees om die gas te help ontsnap. (5\

7.4

Mark Allocation

Sections7 + 10 = 17 marks

Paper information

TitleMemo

SubjectGieteryteorie

LevelN1

Document typeMemorandum

Year2018

MonthApril

Pages5

Downloads4

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,115

About Gieteryteorie 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

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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

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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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