Engineering Science NCV Level 3 — Memo

November 2022 — NCV Level 3 — Engineering Science

NCV Level 3 2022 NCV Engineering

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📄 7 pages 📝 32 items found ∑ 1 math symbols 📚 1 topics

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Q1— Section header —

1.1010

Q2— Section header —

2.1Joint type Weld preparation shape Weld type Welding process Specifications or procedures Weld location Extent of welding Quality requirements Weld sequencing

2.2(Any 4 (4\

2.3Datum points are levels or positions serving as reference point when setting out a structural steel building. (2\

2.4and as a spirit level Head 2 the protractor head is used to check or mark angles and has a spirit level

2.5The purpose of a jig is to fix the girder or truss in place while fixing by welding or bolting. (2\

2.6The quality control plan will be drawn up by an approved and registered quality inspector. All requirements and specifications will be checked against the quality control plan. [18]18

Q3— Section header —

3.1.1Treat every cut immediately, no matter how the minor it may be.

3.1.2Remove all burrs from the metal sheet before attempting further work on it

3.1.3Use a brush to clean the work area. Never brush metal with your hands

3.1.4

3.2What must be done Where it must be done When it must be done How many items must be produced How many people are needed How much time is allocated for the job he equipment that has to be worked on The

3.3Weld bead Metal droplets Solid wire electrode Nozzle Welding gun Shielded gas Electric arc Grounded workpiece Molten pool

3.4Undercut Poor fusion Porosity Shorten the arc length

3.6.3eplace torch replace fuse

3.6.4

3.7.4rinder with fine flapping disc ire brush, rinder with fine flapping disc or fine sanding paper Degreasing fluid ire brush

Q4— Section header —

4.1.1The difference between the maximum and the minimum sizes allowed when manufacturing the fabricated product

4.1.2

4.2Supervising the overall job Planning the job before marking off takes place Checking that all documentation is in place Communicating with the other departments Checking all safety requirements Ensuring

4.5.1(1 200 1 184 720 mm 720 m = 3 833 mm = 3 833 m 720 m = 18 (3\

4.5.423

Q5— Section header —

5.1(quarter circle\ ,5 = 86 394 mm = 411 394 mm 411 m

5.2(4\

5.3Wear earmuffs Wear an apron as the sparks can set overalls alight Switch off the machine before putting it down See that there is no oil or grease on the floor or around the machine

5.4.4

5.5Undercuts Welding slack Pit holds Porosity Slag inclusion Incomplete fusion [23] TOTAL:23

Mathematical Content

f(x)

Topics Identified

Construction

Mark Allocation

Sections10 + 18 + 26 + 23 + 23 = 100 marks

Paper information

TitleMemo

SubjectEngineering Science

LevelNCV Level 3

Document typeNCV Engineering

Year2022

MonthNovember

Pages7

Downloads3

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,442

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 size352.4 KB

Pages7

Archived on8 September 2026

File age48d

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