Engineering Science N6 — Memo

April 2018 — N6 — Engineering Science

N6 2018 Nated Engineering

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Q1— Section header —

1.1.1True

1.1.2False

1.1.3False

1.1.4False

1.1.5True (5 (5\ Loudness Amplitude Pure tone ransverse (4 (4\

1.3.1v = 652,438 m/s (3\

1.3.2

1.4.1L = 1329 3450 L = 0,385 Distance = 0,385 L = 0,1925 m air

1.6The lowest sound emitted by a source is the fundamental tone. When a frequency twice that of the fundamental is emitted, the first over tone is produced. (2\

Q2— Section header —

2.2

2.3.3

Q3— Section header —

3.2

3.4

Q4— Section header —

4.1If a heavy nucleus is split in to smaller ones, This process is called nuclear fission. In nuclear fusion, two light nuclei combine to form a heavier one who building energy per nucleon is greater.

4.2In order that the total numbers of protons and neutrons be the same before nd after the fission reactio n, two neutrons must be liberated. Hence there action is: EnnSr nU ++++

4.3If an isotope has a half life of say, 5 hours and we start with 100g of it after 5 hours 50 g will be left decayed. After 10 hours 25 g will be undecayed. After 15

4.5

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Mark Allocation

Sections25 + 25 + 25 = 75 marks

Paper information

TitleMemo

SubjectEngineering Science

LevelN6

Document typeNated Engineering

Year2018

MonthApril

Pages8

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,115

About Engineering Science examination preparation

Engineering Science combines physics principles with engineering applications. The examination covers mechanics, thermodynamics, electricity, and materials science at the relevant N-level.

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.

applying physics principles

selecting appropriate formulae

performing calculations with units

interpreting engineering scenarios

explaining scientific reasoning

A practical revision approach

Create a formula sheet organised by topic. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling — always write the formula before substituting values.

File details

File size337 KB

Pages8

Archived on8 September 2026

File age46d

ContributorFreeMode

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