Plumbing Theory N1 — Document

August 2021 — N1 — Plumbing Theory

N1 2021 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 4 pages 📝 34 items found

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Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1Define xcavation. (2\

1.2Name THREE precautionary measures when using step ladders. (3\ [5]5

Q2— Section header —

2.1Name THREE types of power tools and state their uses. (6\

2.2Name FOUR marking or measuring tools. (4\ [10]10

Q3— Section header —

3.1tmospheric corrosion

3.2Galvanising

3.3Ferrous metals

3.48

Q4— Section header —

4.1Briefly explain the process of tinning a soldering iron. (4\

4.2What is the difference between rc welding and as welding? (4\ [8]8

Q5— Section header —

5.1Name FOUR advantages of galvanised mild steel pipes. (4\

5.2Give ONE disadvantage of the following sources of water:

5.2.1Wells

5.2.2Rivers

5.2.3

5.3Show, with the aid of a sketch, how the cold water supply to a domestic dwelling would be connected and label all the parts and relevant pipes. (7\ [17]17

Q6— Section header —

6.1THREE principles of heat t ransfer appl to hot water installations. Name and explain the se THREE principles.

6.2Explain TWO causes of air locks. (4\

6.3State TWO advantages of a push through geyser (2\ [12]12

Q7— Section header —

7.1Name the difference between the following:

7.1.1Ventilation pipe and ventilation valve (4\

7.1.2Rodding eye and inspection eye (4\

7.1.3Manhole and gully (4\

7.2Any drainage installation must be provided with adequate access to the installation for the purpose of inspection, testing or internal cleaning. Name FIVE instances where access to pipes should be provided.

7.3Name THREE types of storage cisterns that one can install to supply water to a toilet. (3\ [20]20

Q8— Section header —

Q9— Section header —

Mark Allocation

Total100 marks

Sections5 + 10 + 8 + 8 + 17 + 12 + 20 + 12 + 8 = 100 marks

Paper information

TitleDocument

SubjectPlumbing Theory

LevelN1

Document typeQuestion paper

Year2021

MonthAugust

Pages4

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,897

About Plumbing 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.

File details

File size103.9 KB

Pages4

Archived on8 September 2026

File age46d

ContributorFreeMode

Fingerprint4677D73B1D47

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