Fitting And Machining Theory N1 — Memo

April 2018 — N1 — Fitting And Machining Theory

N1 2018 Nated Engineering

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Q1— Section header —

1.1Keep sharp edges of tools pointed away from you Keep tools clean, dry and free of oil Never carry tools with sharp edges in your pocket Do not have all your tools on the workbench at once Do not use tools incorrectly or carelessly

1.2.1/She may be inca pable of taking care of himself /herself or be in the proximity of any working place or near any machinery on the surface of a mine or at the works. or some person duly appointed by him

Q2— Section header —

2.1.1alse

2.1.2True

2.1.3

2.2(4\ (A )T

2.3Set up work pieces accurately prior to marking off Test rectangular work pieces for parallelism Test for roundness Test for concentricity until the

Q3— Section header —

3.1An external thread is a helical g roove cut in a cylindrical rod, while a n internal thread is a helical groove cut in a round hole. (1 + 1\ (2\

3.2In soft materials such as cast iron and aluminium because there i s more mater ial between threads 757 514 mm [6]6

Q4— Section header —

4.1Shaping metal Riveting Gently tapping keyways Striking centre punches when marking off Second cut file [6]6

Q5— Section header —

5.1Phosphorus Sulphur (A

5.2Cold chisel and punches Taps, sc rewing dies and press tool dies and quenching it in oil. (2\

5.4Lead Copper Zinc Antimony [12]12

Q6— Section header —

6.1.1Rule

6.1.2Square

6.1.3Spirit level

6.1.4

6.2It is used to make a conical impr ession on the surface of a work piece where a hole is to be drilled. (1\ [5]5

Q7— Section header —

7.1Keying the change wh eels of a lathe to their shafts Keying the driving flange to the spindle of a grinding wheel Keying a lever to a shaft = 13,33 mm w = D/4 = 80/4 = 20 mm

8.1Bolts [4]4

Q9— Section header —

9.1Taper reamer Expanding reamer [5] TOTAL SECTION A: SECTION B5

Q10— Section header —

10.1Take off your tie and tuck in loose clothing Che ck that all guards are in place Check that the machine is operating properly Check that the drills are sharpened correctly Place a piece of wood under drills being removed

10.2

Q11— Section header —

11.1[10]10

Q12— Section header —

12.1Facing Taper turning Screw cutting grinding Drilling The chuck could spin off and cause serious injury The machine could be damaged (2\

12.3.1Spindle locking lever

12.3.2Spindle

12.3.3Barrel

12.3.4Hand wheel

12.3.510

Q13— Section header —

13.1.1utting slots or grooves, such as machine beds

13.1.2

13.2.1Frame

13.2.2Arbour

13.2.3Arbour support

13.2.4Column

13.2.5Table

13.2.6Saddle

13.2.7Knee

13.2.810

Mark Allocation

Sections5 + 5 + 11 + 6 + 6 + 12 + 5 + 6 + 4 + 5 + 10 + 10 + 10 + 10 = 105 marks

Paper information

TitleMemo

SubjectFitting And Machining Theory

LevelN1

Document typeNated Engineering

Year2018

MonthApril

Pages7

Downloads4

Examination context

Decade2010s

Years ago8y

SeasonAutumn (SH)

Start daySunday

Exam periodApril 2018

Days since exam3,114

About Fitting And Machining 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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File size231 KB

Pages7

Archived on8 September 2026

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