Koelervakteorie Us N2 — Memo

August 2018 — N2 — Koelervakteorie Us

N2 2018 Nated Engineering

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1.1.5Waar Waar Onwaar Waar Waar (5 (5\

1.2.8Uitlaatpoort Uitlaatklep Veer igpoort Roller Silinder (8 (8\

1.3

1.4.2[20] AFDELING20

2.1Water verkoelde kondensators (2\

2.2

2.4(8\

2.520

3.1Dit stop vloeistofoordrag na die kompressor. Dit verseker dat die hele verdamper teen vollas en deellastoestand gebruik word. (6\

3.2

3.3Outomatiese ekspansieklep (1\

3.4

3.5Lae koelmiddellading ae installasiekoste (3\ [20] VRAAG20

4.1.1

4.1.2

4.2Rotor (3\

4.31 to 15 da angt ermyn berging 15 to 150 da (6\

4.4.1

4.4.2In beroking word p reservering bereik deur die drogingdproses en deur die antiseptiese bestanddele wat van die rook geabsorbeer word. (2

4.5.1Middel/senter

4.5.3inks

4.5.3(3 (3\ [20] (A20

5.1Verlies van kapa siteit as gevolg van onvoldoende koelmiddel Vermeerdering van superhitte wat die verdamper verlaat Verminderde suigdruk Onvoldoende olieterugvloei (4\

5.2

5.3

5.4

5.5Moontlike oorsake Tekort aan koelmidd el Verdamper ondergelaai Sif of filter droog Geblokk erde uitsitklep Ver lore

Mark Allocation

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

Paper information

TitleMemo

SubjectKoelervakteorie Us

LevelN2

Document typeMemorandum

Year2018

MonthAugust

Pages5

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,992

About Koelervakteorie Us 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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File size227.4 KB

Pages5

Archived on8 September 2026

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