Platers' Theory N2 — Document

April 2018 — N2 — Platers' Theory

N2 2018 Nated Engineering

↓ Download PDF 📄 171.9 KB

Preparing document

📋 Document Analysis

🎯 100 marks ⏱️ 3h 📄 7 pages 📝 59 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.

Q1— Section header —

1.1Redraw the table below in your ANSWER BOOK and a rrange the following unsafe situations in the correct column

1.1.4Bad factory layout and badly marked walkways Leaving a machine running unattended Machi ning an unclamped workpiece Crowded workshop UNSAFE ACT UNSAFE CONDITION (4

1.2State at least TWO main reason for using colour coding in the workshop. (2\

1.3What colour would be used to indicate the following in the workshop

1.3.2Firefighting equipment Oil equipment (2 1\ (2\

1.4xplain the function of interlocking guards as used in machines in a workshop (2\

1.5State ONE safety precaution for each of the following machines

1.5.1Huckbolt

1.5.2Punching (2 1\ (2\ [10] (11022182\10

Q2— Section header —

2.1xplain the function of hammer and anvil when using this machine (2\

2.2Draw and briefly explain the basic principle of three pyramidal rollers during cylinder rolling. (4\

2.3Draw and label an unequal leg angle iron showing: Inner radius Heel Flange (4\

Q3— Section header —

3.1Explain why it is important to join steel profiles (2\

3.2What is the m ain purpose of an assembly jig (2\

3.3Explain the term permanent joint (2\

3.4ifferentiate between an assembly jig and holding device

Q4— Section header —

4.1Name ONE use of each of the following:

4.1.1Pipe fitter's square

4.1.2Pipe contour maker

4.1.3Pipe reducer

4.1.4

4.2The FIGURE below shows three pipes that are joined together. FIGURE 1

4.2.1Advance

4.2.210

Q5— Section header —

5.1Briefly explain the following terms:

5.1.1Strut

5.1.2

5.2What is the average angle of rafter's inclination with roof truss data of 4 mm belowrise and run of 5 mm

5.3xplain how the angle of inclination ofrafters will affect the truss at any given time. HINT:E ffect of an angle which is too small or too

Q6— Section header —

6.1Briefly explain a template and give ONE example. (3\

6.2State TWO uses of template (2\

6.3State w hat type of material is use to make a template for automotive

6.4Explain how template can be damaged. (2\ [10]10

Q7— Section header —

7.1Tabulate the differences between ferrous metal and non ferrous metal and

7.2Briefly explain each of the following metal properties

7.2.1Malleability

7.2.2

Q8— Section header —

8.1Name TWO gases which are used in oxy acetylene cutting. (2\

8.2What is the function of e ach of the following equipment

8.2.2Oxygen hose Cylinder valve (2 1\ (2

8.3When lighting up the cutting torch, which gas is opened first and why? (2\

8.4What would be the ratio of oxygen to acetylene for neutral flame? (2\

8.5Explain the term flame cleaning nozzle (2\ [10]10

Q9— Section header —

9.1Define the following welding term

9.1.1Re inforcement

9.1.2Run (2 2\ (4\

9.2Draw welding symbol for an all around fillet weld. (4\

9.3Explain the function of the flux coating of welding electrode. (2\ [10] (11022182\ 132010

Q10— Section header —

10.1The FIGURE 2 below shows a flat bar in a rectangular shape with four radius corners. Carefully study the figure and calculate the total length of the bar. (HINT: Consider the thickness of the bar for the mean diameter.\

Mark Allocation

Total100 marks

Sections10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 90 marks

Paper information

TitleDocument

SubjectPlaters' Theory

LevelN2

Document typeQuestion paper

Year2018

MonthApril

Pages8

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,114

About Platers' 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 size171.9 KB

Pages8

Archived on8 September 2026

File age45d

ContributorFreeMode

Fingerprint27A6F6841B82

Questions and learner discussion

No questions or discussions have been posted yet.