Aircraft Maintenance Theory N2 — Document

April 2021 — N2 — Aircraft Maintenance Theory

N2 2021 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 4 pages 📝 32 items found

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Q1— Section header —

1.1Make neat labelled drawings to demonstrate the difference between the lift created by a flat plate and that created by an aerofoil. (6\

1.2Make a neat labelled drawing to show how drag changes with a change in the angle of attack by means of a drag curve. (3\

1.3Explain what effect shear force has on an assembled structure. (3\

1.4A cluster of a truss type welded tubular construction has been seriously damaged, but a patch plate repair can be done Make a neat

1.5Explain the function of the reservoir of a hydraulic system. (4\ [20]20

Q2— Section header —

2.1Name TWO types of positive displacement cabin superchargers for pressurisation systems with which s ome aircraft are equipped (2\

2.2Make a neat labelled drawing of thermal anti icing system using a piccolo tube to distribute hot air through the leading edge of the wing structure.

2.3Explain the function of the pressure regulating valve pneumatic system. (2\

2.4What is the purpose of checking the incidence angle on an aircraft during airframe rigging checks? (1\

2.5State FOUR possible causes of stiff controls during operation of a light aircraft. (4\

2.6Explain the purpose of annealing mild steel. 2. Explain the process

Q2— Section header —

Q3— Section header —

3.1How can intercrystalline corrosion on an aircraft structure or component be treated? (2\

3.2Briefly distinguish between pre ignition and surface gnition

3.3To w hat does viscosity refer with reference to liquids? (2\

3.4State FOUR advantages of an injection carburettor compared to a float type carburettor

3.5Draw a neat labelled simple diagram to illustrate the fuel control unit of

3.6Make a simple labelled drawing of a turbocharger show ing its components. (4\

Q4— Section header —

4.1Explain constant speed propellers. (4\

4.2What does brake horse power (B.H.P.\ mean? (2\

4.3Describe how an acceleration check is done on an engine during a ground run. ndicate whether the procedure is for a piston or gas turbine engine.

4.4Briefly explain the inspection of landing gear units of light commercial aircraft uring minor inspection s. (4\

4.5State FOUR factors that may affect the thrust output of a gas turbine engine. (4\ [20]20

Q5— Section header —

5.1Make a neat labelled drawing of a turbopropeller engine containing centrifugal compressors. (8\

5.2Explain the function of the tail rotor gearbox of a helicopter and state its locat ion (4\

5.3What does autorotation mean? (3\

5.4Define plane of rotation (2\ [17] TOTAL: 10017

Mark Allocation

Total100 marks

Sections20 + 21 + 22 + 20 + 17 = 100 marks

Paper information

TitleDocument

SubjectAircraft Maintenance Theory

LevelN2

Document typeQuestion paper

Year2021

MonthApril

Pages4

Downloads6

Examination context

Decade2020s

Years ago5y

SeasonAutumn (SH)

Start dayThursday

Exam periodApril 2021

Days since exam2,020

About Aircraft Maintenance 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.

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Pages4

Archived on8 September 2026

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