Welders Theory N2 — Memo

November 2022 — N2 — Welders Theory

N2 2022 Nated Engineering

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Q1— Section header —

1.1.6(6 (6\

1.2Ensure that the workpiece is securely clamped Always use the correct eye protection Use hearing protection because the grinding process is very noisy Make sure that the correct cutting disc is used Ensure that the cutting disc is secure and not broken or damaged

Q2— Section header —

2.1(5\

2.2.1Assembly aids are devices made from scrap steel plates and steel sections.

2.2.2

2.3.2nsert the flange by positioning it with wo holes at the top spirit evel can be used to ensure the t wo holes are level. he centre line of the pipe

Q3— Section header —

3.1(3\

3.2(12\ [15]15

Q4— Section header —

4.1old the piece of metal which you want to test lightly against the rotating grinding wheel. If the sparks have long yellow carrier lines with small expl osions, it is low carbon steel. If the sparks have shorter yellow lines with larger explosions

4.2Aluminium patio doors Aluminium motor vehicle components , e.g. engines and gear Aluminium foil Martensitic steel

4.4Tough pitch copper Deoxidis ed copper (2\ [15]15

Q5— Section header —

5.1The outer skin will have a good wearing surface. The strong and tough inner core reduce brittleness. Nick bend est Guided

Q6— Section header —

6.1Gas cylinder Power source Earth/Negative Welding gun Work piece (5\

6.2.6True True True False False True (6 (6\

6.3Preheating is applied to the base metal before welding or cutting. Preheating assists the weld metal to fuse properly. Post heating is applied after the welding process is complete The purpose of post heating a weld is to slow down the cooling rate of the

Q7— Section header —

7.1Flakes Oil or grease Paint Check for correct gas pressure. Ensure that the work space is free of flammable items Ensure that the operator of the equipment is well trained

Mark Allocation

Sections10 + 15 + 15 + 15 + 15 + 15 + 15 = 100 marks

Paper information

TitleMemo

SubjectWelders Theory

LevelN2

Document typeNated Engineering

Year2022

MonthNovember

Pages6

Downloads3

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,440

About Welders Theory 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 size400.5 KB

Pages6

Archived on8 September 2026

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