Welding NCV Level 3 — Document

November 2022 — NCV Level 3 — Welding

NCV Level 3 2022 NCV Engineering

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🎯 1 marks ⏱️ 3h 📄 5 pages 📝 26 items found

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.1

1.2List FOUR of the most common and problematic flaws found in welds. (4\ [10]10

Q2— Section header —

2.1FIGURE 1 below shows a welding symbol diagram. Label the diagram by writing only the answer next to the letter (A J\n the

2.2List FOUR causes of weld splatter during the shielded metal arc welding (SMAW\rocess. (4\

2.3List SIX potential welding hazards that can occur during shielded metal arc welding (SMAW\ (6\

2.4List FIVE important effects of flux during the welding process. (5\ [25] (6031033\ Copyright reserved Please turn over25

Q3— Section header —

3.1FIGURE 2 below shows FIVE different types of welding joints. Name each joint by writing only the answer next to the letter (A E\n the ANSWER

3.2FIGURE 3 below shows different types of oxy acetylene flames. Name each flame by writing only the answer next to the letter (A

3.3Name THREE defects that can be found in oxy acetylene welding. (3\

3.4State THREE causes of the following hazards related to the oxy acetylene welding process

3.4.1Gas cylinder breach

3.4.2Flashback

3.4.3Regulator gauge malfunction (3 3\ (9\ [20] (6031033\20

Q4— Section header —

4.1FIGURE 4 below shows a typical TIG welding setup. Label the diagram by writing only the answer next to the letter (A H\ in

4.2Explain what causes porosity in gas tungsten arc welding (GTAW\ (5\

4.3List FIVE causes of cracks in gas tungsten arc welding (GTAW\ (5\

4.4Give SEVEN advantages of gas tungsten arc welding (GTAW\ (7\ [25]25

Q5— Section header —

5.1List FIVE primary precautions that should be taken to prevent the inhalation of harmful fumes and gases during metal inert gas welding (MIG\ (5\

5.2List FIVE pieces of personal protective equipment required for welding. (5\

5.3Give FIVE reasons why it is important to tack weld the work piece before welding. (5\

5.4List FIVE properties of radiographic inspection. (5\ [20] TOTAL: 10020

Mark Allocation

Total100 marks

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

Paper information

TitleDocument

SubjectWelding

LevelNCV Level 3

Document typeQuestion paper

Year2022

MonthNovember

Pages5

Downloads3

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,439

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.

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File size220.7 KB

Pages5

Archived on8 September 2026

File age45d

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