Fitting And Turning NCV Level 3 — Document

November 2018 — NCV Level 3 — Fitting And Turning

NCV Level 3 2018 NCV Engineering

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🎯 10 marks ⏱️ 3h 📄 6 pages 📝 36 items found

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Q1— Section header —

1.1Explain the function of a bearing (2\ 1. Name the different types of bearing shown below by writing the answer next to the

1.3State THREE advantages and TWO disadvantages of plain (sliding\arings. (5\

1.4State the purpose of a planned maint enance schedule with regard to bearings. (2\

1.515

Q2— Section header —

2.1Figure 1 below shows the diagram of a coupling.

2.1.1Name the type of coupling. (1\

2.1.2Label the components by writing the answer next to the letter (A the

2.2Name THREE parts that cause wear on a coupling. (3\

2.3Tests have proven that precision alignment increase the bearing and seal life of machinery. Is this statement true or false (1\ [10]10

Q3— Section header —

3.1Expla in the difference between a clutch and a coupling. (2\

3.2State TWO advantages and TWO disadvantages of drum brakes over disc brakes. (4\

3.3State TWO causes of slip on a clutch and explain how each can be remedied. (4\ [10] (6011043\ NC1290 (E\10

4.1Figure 2 bel ow shows a representation of a V belt drive. Label the components by writing the answer next to the

4.2List THREE advantages and THREE disadvanta ges of V belt drives compared to chain and gear drives. (6\

4.3Name TWO chain lubrication methods. (2\

4.4Explain the importance of a clean working area when working on a gear drive. (2\

4.5Name the gear that allows the direction of the drive gear and the driven gear to be the same. (1\ [15]15

Q5— Section header —

5.1State FIVE safety precautions when working with pipes and pipe fittings. (5\

5.2State TWO advantages and TWO disadvantages of p lastic piping. (4\

5.3Name the tool used to remove burrs after a pipe has been cut. (1\ [10] (6011043\ NC1290 (E\10

Q6— Section header —

6.1State FIVE malfunctions that can occur during the machining of a work piece on a centre lathe. (5\

6.2A work piece with a diameter of 200 mm ust be turned on a centre lathe. Calculate the spindle speed in revolutions per minute if the cutting speed( given as 15 m/min.

6.3State TWO advantages and TWO disadvantages of a three jaw chuck. (4\

6.4Describe in FIVE steps how you would fit selected cutter in the tool post and adjust it to be set at centre height. (5\

6.5Name TWO comm on types of material that cutting tools are made of. (2\

6.6Name the cutting fluid most ly used during the machining process. (1\ [20]20

Q7— Section header —

7.1State FIVE reasons for us ing cutting fluids when doing machining on a mil ling machine. (5\

7.2Explain how you would clean milling machine after use. (5\

7.3Name FOUR types of milling cutters. (4\

7.4A milling cutter is 70 mm in diameter and has 12 teeth. The cutting speed for the material is given as 25 m/ min and a feed of 0.08 mm per tooth. Calculate the feed in mm/min. (Hint : S =

Mark Allocation

Total100 marks

Sections15 + 10 + 10 + 15 + 10 + 20 + 20 = 100 marks

Paper information

TitleDocument

SubjectFitting And Turning

LevelNCV Level 3

Document typeQuestion paper

Year2018

MonthNovember

Pages6

Downloads5

Examination context

Decade2010s

Years ago8y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2018

Days since exam2,902

About Fitting And Turning 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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