Sweis NCV Level 3 — Document

Februarie 2020 — NCV Level 3 — Sweis

NCV Level 3 2020 NCV Engineering

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1.1Noem SES oorsake van por eusheid tydens sweis (6\

1.2Noem VIER voordele van afgeskermde metaalboogsweising (SMAW\ (4\ [10] VRAAG10

2.1Dui aan of die volgende stellings WAAR OF ONWAAR is deur slegs Waar of Onwaar langs die vraagnommer

2.1.5\ die ANTWOORDBOEK neer te skryf

2.1.1Suurstof skep n laag oksied wanneer aluminium gesweis word

2.1.2Vloeimiddel verhoog die viskositeit van die sweismetaal

2.1.3Sla k skep n kombers wat die sweisstuk teen lug beskerm.

2.1.4Waterstof veroorsaak krake in die sweisstuk.

2.1.5

2.2

2.3

2.4Noem VYF stappe om te oorweeg wanneer sweis in afgeskermde metaal boogsweising (SMAW\ uitgevoer word. (5\

2.5Noem DRIE sweisdefekte wat in afgeskermde metaalboogsweising (SMAW\ kan voorkom. (3\

2.6Verduidelik hoe n penetreermiddel vloeistoftoets uitgevoer word (7\ [25] VRAAG25

3.1

3.2ee die gebruike van elk van die volgende oksiasetileen vlamme

3.2.1Inkoolvlam (' Carburising flame '\ (2\

3.2.2Neutra le vlam (1\

3.2.3ksideervlam (1\ (6031033\ Kopiereg voorbehou Blaai om asseblief

3.3

3.4Noem DRIE inspeksies wat op n voltooide werkstuk gedoen moet word (3\

3.5Noem VYF defekte wat in oksiasetileensweising voorkom (5\

3.620

4.1Hier onder word gas wolframboogsweising (GTAW\ toerusting getoon Benoem elke k omponent

4.2Noem die betekenis van elk van die volgende terme wat met gaswol framboogsweising geassosieer word

4.2.1Handsweising (2\

4.2.2Semi outomatiese sweising (2\

4.2.3Outomatiese sweising (3\

4.3Noem SES riglyne om gas wolframboogsweising (GTAW\ op te stel. (6\

4.4Noem DRIE funksies van hegsweislaste i gas wolframboogsweising (GTAW\. (3\ [25] (6031033\25

5.1

5.2Bereken die stroomsterkte wat verlang word om 8 mm pla at te sweis WENK 0,0254 mm = 1

5.3ee VYF redes waarom dit belangrik is om sweistoerusting skoon te maak en te berg nadat jou werk vir die dag afgehandel is (5\

5.4Noem waarom die trek tegniek metode verkies word tydens metaal insertgassweisi ng (MIG (2\

5.5Noem die VIER inspeksiemetodes wat deur n sweisinspekteur uitgevoer word om n sweisstuk na te gaan (4

Mark Allocation

Sections10 + 25 + 20 + 25 + 20 = 100 marks

Paper information

TitleDocument

SubjectSweis

LevelNCV Level 3

Document typeQuestion paper

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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