Building Science N3 — Document

November 2023 — N3 — Building Science

N3 2023 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 25 items found

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1.1What is the purpose of a slump test? (1\

1.2Define initial drying shrinkage with reference to wet concrete (1\

1.3FIGURE E below shows a slump cone and tamping rod. Write the correct dimensions for each next to the letters (a d\ in the ANSWER BOOK. (4\

1.4The FIGURES below show paint defects. Identity each defect and write only the answer next to the letter (A D\

Q2— Section header —

2.1First draw the beam, then calculate the reaction forces at A and D. (5\

2.2Calculate the bending moments at B and D and at a point C halfway between B and D. (3\

2.3Draw the bending moment and shearing force diagrams with the main values indicated on the diagram. (7\ [15]15

Q3— Section header —

3.1A frame structure is loaded as shown in FIGURE 2 below.

3.1.3Calculate t he mag nitude of reaction at the left hand support Calculate the reaction at the right

3.2raphically determine the magnitude and nature of all member forces Use scale 25 mm = 1 KN for the

Q4— Section header —

Q5— Section header —

5.1The component of the weight of t he block parallel to the plane (2\

5.2The component of the weight of the block perpendicular to the plane (2\

5.3The frictional force (3\

5.4Th e small est parallel force to the plane required to move the object down the plane

Q6— Section header —

6.1Explain how the following electrical safety devices provide protection to electrical circuits and or devices

6.1.1MCB

6.1.2Fuse (2 2\ (4\

6.2State FOUR requirements for the placing of a distribution board in a building (4\

6.3Explain the difference between direct current and alternating current (2\ [10]10

Q7— Section header —

Multiple Choice Options

D)Poin

Mark Allocation

Total100 marks

Sections10 + 15 + 20 + 21 + 12 + 10 + 12 = 100 marks

Paper information

TitleDocument

SubjectBuilding Science

LevelN3

Document typeQuestion paper

Year2023

MonthNovember

Pages7

Downloads6

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,073

About Building Science 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 size396.5 KB

Pages7

Archived on8 September 2026

File age45d

ContributorFreeMode

Fingerprint79F920CBF024

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