Welding NCV Level 2 — Memo

November 2022 — NCV Level 2 — Welding

NCV Level 2 2022 NCV Engineering

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Q1— Section header —

1.1.5

1.2.1Weld all round

1.2.2Fillet joint

1.2.3Weld size OR leg length

1.2.4

1.3Oxy acetylene welding (1\ [10]10

Q2— Section header —

2.1Horizontal Vertica l up/down general welding E7018 vertical up high tensile steel Gives wider welds Quality welds

2.5.1

2.5.2

2.6.1Less fumes Transformer machine il cooled Rectifier is m ade with a good number of electronic components AC machine uses a transformer with no moving parts. Rectifier is l ight and portable

Q3— Section header —

3.1.1Pressure ga

3.1.2Cylinder connection

3.1.3Acetylene hose connection

3.1.4

3.2Use leakage test solution. Fire can destroy or burn down workshop. Fires damages equipment. Fire hazards kill. [10]10

Q4— Section header —

4.1.1Joint preparation with an edge cut at an angle

4.1.2Cutting tip produces a loud sound when gases explode on tip and flame extinguishes and reignites at the tip

4.1.3Lines that are formed on metal being cut and denote speed of cut and quality

4.1.4Minimum temperature a t which metal start to ignite to a flame

4.1.5

4.2Check acetylene cylinder key if it is inserted in its position Observe the cracking of cylinders. Keep fire extinguishers available. Set gauges to correct pressure Light the torch and preheat the edge.

Q5— Section header —

5.1.1Electrode wire from atmospheric contamination. Electrical conductor to allow for the welding arc electricity or feeding the wire feed roller trigger. passage for direct wire.

Q6— Section header —

6.1Clean the joints from rust oil or grease. Clamp work pieces in position. Preheat the metal all round. Heat the joint to dull red temperature. Heat filler and dip it in borax flux. Melt filler on joint to

6.2Equipment failure oor quality weld Damage to brazing outfit Injury due to explosion Difficult to control braze bead (3\

6.3.1Use dark glasses for eye protection Wear suit that covers neck [10] TOTAL:10

Mark Allocation

Sections10 + 25 + 10 + 25 + 20 + 10 = 100 marks

Paper information

TitleMemo

SubjectWelding

LevelNCV Level 2

Document typeQuestion paper

Year2022

MonthNovember

Pages7

Downloads4

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,442

About Welding 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.

File details

File size210.7 KB

Pages7

Archived on8 September 2026

File age48d

ContributorFreeMode

FingerprintB17B56321C26

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