Motor Electrical Theory N1 — Memo

August 2018 — N1 — Motor Electrical Theory

N1 2018 Nated Engineering

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Q1— Section header —

1.1

1.2The electric pump consists of electromagnet and a set of points to turn the magnet on and off. The points are directly connected to the armature which is linked to the pump diaphragm. When the pump runs dry the diaphragm lifts the

Q2— Section header —

2.1.1

2.1.3I = 016 to accommodate a fixed cylinder. A coil wound on an aluminium drum is placed in the fixed cylinder and allowed to pivot on its axis. The gauge pointer is fixed to this drum. When current from th

2.3THREE marks for labels\ [23

Q3— Section header —

3.1HOT PLUG COLD PLUG Allow for higher combustion chamber temperature Allow lower combustion chamber temperatures

3.4reverse bias switch (2\ [19

Q4— Section header —

4.1Sulphation is the formation of lead sulphate on the positive and negative plates of the battery. The formation of lead sulphate occurs as a result of the charging and discharging of the battery. Lead sulphate is a hard substance that does not conduct electricit

4.260% water and 30% acid

4.3Alkaline batteries have a higher energy capacity

4.4

4.5mm above the plates

4.6The lead acid cell consists of alternately arranged positive and negative plates. The positive and negative plates are connected in groups by straps. A porous insulating material separat es the plates from each other.

Q5— Section header —

5.1alogen bulbs Xenon bulbs angle. The angle of adjustment, which can be as much as is controlled by the ECU which reads the angle of the steering. When turning left, the headlights will angle to the left

Paper information

TitleMemo

SubjectMotor Electrical Theory

LevelN1

Document typeNated Engineering

Year2018

MonthAugust

Pages5

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,992

About Motor Electrical 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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Archived on8 September 2026

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