Mechanical And Drawing Office Orientation N4 — Document

April 2021 — N4 — Mechanical And Drawing Office Orientation

N4 2021 Nated Engineering

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🎯 1 marks ⏱️ 3h 📄 5 pages 📝 42 items found 📚 1 topics

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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.

Q1— Section header —

1.1Nam e FOUR levels of graphic communication. (4\

1.2State the personal attributes required for draughts man. (5\

1.3Who formulated the first distinct definition of orthographical projection? (1\

1.4Explain microfilming. (2\ [12]12

Q2— Section header —

2.1.1Blueprinting is the oldest method and the only low cost process available for copying drawings since 1842.

2.1.2Symbols are used as a representation of words.

2.1.3Assembly drawings show the production of a product.

2.1.4A technician does not need a skill to interpret engineering drawings.

2.1.5All objects have only two dimensions.

2.1.6

2.2Name FOUR aspects to consider when planning the layout of a drawing office. (4\ [10]10

Q3— Section header —

3.1Use a table format and name THREE properties and THREE uses of chrome in industry (6\

3.2Name TWO nonferrous composition elements used to make brass. (4\

3.3Briefly explain no ferrous metal. (1\

3.4Give TWO types of commonly known thermosetting plastics and state the characteristics of each. (4\ [15]15

Q4— Section header —

4.1Indicate whether the following statements are TRUE or FALSE by writing only rue' or ' alse' next to the question number

1.5\ in the ANSWER BOOK.

4.1.1ountersunk hole allow the heads of screws to fit flat with surface

4.1.2lead is the distance a thread will advance, axially, in one complete revolution.

4.1.3Pitch is the distance from a point on a thread to a corresponding point on an adjacent thread.

4.1.4plain split bearing is used whe it is impossible to use a solid bearing.

4.1.5

4.2Explain the drilling process with the aid of a cl arly labelled diagram

Q5— Section header —

5.1Explain the difference between bilateral tolerance and unilateral tolerance (2\

5.2Name FOUR important factors to remember when choosing a steel ruler. (4\

5.3Briefly describe the stages of measuring using an inside micrometr (4\ [10]10

Q6— Section header —

Q7— Section header —

7.1Explain the principle of operation of the sight feed lubricator below. SIGHT FEED LUBRICATOR

7.2Explain the impact of cold and hot temperature on lubricant s. (4\ [10]10

Q8— Section header —

8.1Explain the care and maintenance of gear drives (6\

8.2Explain with the aid of a diagram the operation of an internal gear system (3\ 8.

Q9— Section header —

9.1State FOUR faults experienced with sliding expansion joints. (4\

9.2State FOUR advantages of centrifugal pumps over reciprocating pumps. (4\

9.3Give SIX causes of slip on a pump (6\ [14] TOTAL: 10014

Topics Identified

Business Functions

Mark Allocation

Total100 marks

Sections12 + 10 + 15 + 10 + 10 + 9 + 10 + 10 + 14 = 100 marks

Paper information

TitleDocument

SubjectMechanical And Drawing Office Orientation

LevelN4

Document typeQuestion paper

Year2021

MonthApril

Pages5

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonAutumn (SH)

Start dayThursday

Exam periodApril 2021

Days since exam2,018

About Mechanical And Drawing Office Orientation 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

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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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Pages5

Archived on8 September 2026

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