Plumbing Theory N1 — Document

August 2019 — N1 — Plumbing Theory

N1 2019 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 47 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 —

Q2— Section header —

2.1Explain the difference between the following:

2.1.1Centre punch

2.1.2Prick punch (2 (4\

2.2Explain what the following tools and machines are used for:

2.2.1Jenny machine

2.2.2Compactors

2.2.3Guillotine

2.2.4Rolling machine

2.3Which tool is used for a firm grip on round pipes (1\

2.4What is a pedestal drill press (1\ [10]10

Q3— Section header —

3.1Describe each of the following terms:

3.1.1Elasticity

3.1.2Expansion (2

3.2State FOUR types of protection against corrosion. (4\ [8]8

Q4— Section header —

4.1Define the following terms associated with oxyacetylene gas welding:

4.1.1Back flow

4.1.2Carburising flame

4.1.3Neutral flame

4.2Name TWO components of a basic gas welding torch. (2\ [8]8

Q5— Section header —

5.1Explain the difference between the following th regard to their installation:

5.1.1Bib tap

5.1.2Pillar tap (2 (4\

5.2Describe th e following with regard to cold water supply to a domestic dwelling:

5.2.1Connection pipe

5.2.2Supply pipe

5.2.3Service pipe

5.3Name the FOUR classes into which c opper pipes are classified and give their end cap colour classification. (8\

Q6— Section header —

6.1Name and explain the THREE principles of heat tran sfer that are applicable to water installations. (6\

6.2State TWO advantages and TWO disadvantages of a high pressure geyser. (2 (4\

6.3State ONE advantage and ON E disadvantage of a solar water heating system as compared to an electric, hot water heating system. (2\ [12]12

Q7— Section header —

7.1uate access to a ny drainage installation must be provided for the purpose of inspection, testing or internal cleaning. Name FIVE instances where access to pipes should be provided. (5\

7.2Name TWO kinds of tests that are used to detect leaks in a drainage system. (2\

7.3Show with the aid of TWO sketch , the difference between tubular Q traps traps and also show the water seal, soffit and crown. (6\

7.4Name THREE types of storage cisterns that can be installed to supply water to a toilet. (3\

7.5Write the following abbreviations of sanitary fittings and fixtures in f ull:

7.5.3(3 [19]19

Q8— Section header —

Q9— Section header —

9.1The area of the stand (3\

9.2The total length of wire netting required to enclose the stand (5\ [8] TOTAL:8

Mark Allocation

Total100 marks

Sections5 + 10 + 8 + 8 + 18 + 12 + 19 + 12 + 8 = 100 marks

Paper information

TitleDocument

SubjectPlumbing Theory

LevelN1

Document typeQuestion paper

Year2019

MonthAugust

Pages6

Downloads4

Examination context

Decade2010s

Years ago7y

SeasonWinter (SH)

Start dayThursday

Exam periodAugust 2019

Days since exam2,627

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 size287 KB

Pages6

Archived on8 September 2026

File age45d

ContributorFreeMode

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