Modelmakersteorie N2 — Document

November 2020 — N2 — Modelmakersteorie

N2 2020 Nated Engineering

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1.1oem elk van die variasies in die deurlaat posi sies ('gating positions'\ deur die antwoord langs die vraagnommer (1.1.1

1.2oem elk van die veel voudige gietgatstelsels (' ultiple ingate systems '\ deur die antwoord langs die vraagnommer

1.2.3\in die ANTWOORDBOEK neer te skryf. (3\

1.3Verduidelik die beginsel van gerigte stolling (' directio nal solidification '\ wat gebruik word vir die voer van gietwerk (' feeding of castings

1.1.21.1.3

1.2.311020532 Kopiereg voorbehou Blaai om asseblief VRAAG

2.1Beskryf die eienskappe van kerne (' cores '\ (8\

2.2at is die verskil tussen krimping (' shrinkage '\ en kontraksie (' contraction '\

2.3Noem VIER masjiene wat in die modelmakerswinkel ('pattern shop'\ gebruik word. (4\

2.4Verduidelik elk van die volgende rakede 'n masjien vir draaibankwerk:

2.4.1Moontlikhede

2.4.2Werking

2.4.3Beheer (3 2\ (6\ [20] VRAAG20

3.1oen 30 d fekte wat modelwerk ers in

3.220

4.1oem TWEE soorte sintetiese bind materiale wat in die vormproses gebruik word (2\

4.2Ske ts 'n netjiese eenvoudige deurlaatstelsel (' gating system '\ en benoem die DRIE hoofdele

4.3Beskryf kortliks elk van die volgende soorte sand wat in 'n gietery ('f oundry '\ gebruik word

4.3.1intetiese sand

4.3.2

4.3.3Swartsand

4.3.4Gr oen sand

4.3.5Kernsand (5 2\ (10\ Kopiereg voorbehou Blaai om asseblief

4.4Verduidelik die noodsaaklikheid van 'n afskuinsing (' taper '\ p 'n vorm (' pattern '\

5.2Kontraksiekrake (2 10\ [20] TOTA L: 10020

Mark Allocation

Total100 marks

Sections20 + 20 + 20 + 20 + 20 = 100 marks

Paper information

TitleDocument

SubjectModelmakersteorie

LevelN2

Document typeQuestion paper

Year2020

MonthNovember

Pages5

Downloads3

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2020

Days since exam2,168

About Modelmakersteorie 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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