Plumbing NCV Level 4 — Memo

November 2023 — NCV Level 4 — Plumbing

NCV Level 4 2023 NCV Engineering

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Q1— Section header —

1.1Take a second straight edge of the same length and place it on top of the first. Place the spirit level on top of the second straight edge and Lift one end of the second straight edge until the spirit level shows

1.2Raking tool (1\

1.3A manhole is an inspection chamber [10]10

Q2— Section header —

2.11:40 (1\

2.2Because the trench may become an unnecessary safety hazard and collect unwanted debris. NHBRC The test works by filling the section of pipeline you are testing with water and checking for leaks and loss of water in the system over a given period of

Q3— Section header —

3.1The tap, valve or cock will leak (1\

3.2Screw driver Water pump plier Loosen and remove the faulty valve by unscrewing it by hand. Buy a new valve with the same rating as the geyser. Screw in the new valve by hand taking care that the thread does not get

Q4— Section header —

4.1Tin snip (1\

4.2A box gutter is a rectangular gutter that is positioned inside or against a wall and does not hang over the edge of the roof. Step flashing

4.5Pitch is the angle at which a roof slopes or the sloping part of a roof. Draw the outlines and fold the lines on a large piece of paper. Draw the step flashing. Cut out the apron flashing and the back gutter. Bend them on the fold lines

Q5— Section header —

5.1There would be no life. (1\

5.2Solar energy is the energy given off by the sun in the form of heat and light. Evacuated solar cubes n the roof work be done safely? Can the collectors be positioned so that they will receive enough radiation

5.10If the heat exchanger is internal to the storage tank, ensure that the glycol loop or oil connections to the heat exchanger, as well as cold and hot water connections are accessible Install unions at the storage cylinder and heat exchanger connections so

Q6— Section header —

6.1In order to determine whether the business is viable. (1\

6.2A business plan is a document that explains what a company wants to do in the future and how it plans to do it. [10] TOTAL: Before start After material After10

Topics Identified

Forms of OwnershipBusiness Plan

Mark Allocation

Sections10 + 20 + 20 + 15 + 25 + 10 = 100 marks

Paper information

TitleMemo

SubjectPlumbing

LevelNCV Level 4

Document typeNCV Engineering

Year2023

MonthNovember

Pages5

Downloads4

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,073

About Plumbing 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 size238.9 KB

Pages5

Archived on8 September 2026

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