Armature Winding Theory N2 — Document

December 2023 — N2 — Armature Winding Theory

N2 2023 Nated Engineering

↓ Download PDF 📄 549.7 KB

Preparing document

📋 Document Analysis

🎯 100 marks ⏱️ 3h 📄 5 pages 📝 26 items found

See full analysis

Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q3— Section header —

3.1State FIVE requirements that an armature must comply with after rewind. (5\

3.2List FOUR tests that can be done on an armature after rewinding. (4\

3.3State THREE electrical defects that would cause start failure in a DC machine. (3\

3.4Show, by means of a diagram, how to conduct a volt age drop test. (5\

3.5Draw a neat diagram of an armature with three labels. (3\ [20]20

Q4— Section header —

4.1Calculate:

4.1.1The total impedance of the circuit (6\

4.1.2The current flowing in the circuit (2\

4.1.3The voltage drop across the inductor (2\

4.1.4The voltage drop across the capacitor (2\

4.1.5The phase angle between the voltage and current (2\

4.2Name TWO types of AC rotors (2\

4.3What is the purpose of the centrifugal switch in a split phase motor? (2\

4.4Give TWO methods of reversing the direction of rotation of a DC motor. (2\ [20] 220 V/50 Hz20

Q5— Section header —

5.1List FOUR types of three phase transformer connections. (4\

5.2Draw a basic diagram of a shell type transformer. (4\

5.3Name TWO types of iron losses that occur in a transformer. (2\

5.4How can the direction of rotation of a three phase slip ring motor

5.5A single phase transformer has 600 turns on the primary winding supplied from 220 V AC. Determine the

5.5.1umber of turns on the secondary winding if it is required to supply a secondary voltage of 16 V

5.5.2rimary current if the secondary current is 5

5.5.3ating of the transformer in VA

5.5.420

Mark Allocation

Total100 marks

Sections20 + 20 + 20 = 60 marks

Paper information

TitleDocument

SubjectArmature Winding Theory

LevelN2

Document typeQuestion paper

Year2023

MonthDecember

Pages8

Downloads6

Examination context

Decade2020s

Years ago3y

SeasonSummer (SH)

Start dayFriday

Exam periodDecember 2023

Days since exam1,047

About Armature Winding 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.

File details

File size549.7 KB

Pages8

Archived on8 September 2026

File age48d

ContributorFreeMode

FingerprintE7550D666720

Questions and learner discussion

No questions or discussions have been posted yet.