Fitting And Turning NCV Level 2 — Document P1

February 2020 — NCV Level 2 — Fitting And Turning

NCV Level 2 2020 NCV Engineering

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🎯 10 marks ⏱️ 3h 📄 6 pages 📝 35 items found

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Q1— Section header —

1.1Indicate whether the following statements are TRUE or FALSE by writing only 'True' or 'False' next to the question number (1.1.1

1.1.5\in the ANSWER BOOK.

1.1.5The speed rating of a bench grinding machine must be marked clearly on the machine. A user shall be permitted to use a grinding wheel that exceeds the speed stated by the manufacturer. Eye protection must be used when dressing a grinding wheel.

1.2dentify the indicated components of the grinding wheel assembly in FIGURE 1 by writing the answer next to the letter (A E\in the ANSWER

1.3Calculate the rotational speed of a grinding wheel in pm if the grinding wheel has a diameter of 200 mm and a turning speed of 1 750 m/min. (5\

1.4Identify the indicated components of the s crew hre ad in FIGURE 2 by writing the answer next to the letter (A E\

1.5Name HREE different taps of which a set of hand taps consists. (3\

1.6Give TWO causes of tap breakage. (2\ [25

Q2— Section header —

2.1Choose a word from COLUMN B that matches the description in COLUMN A. Write only the letter (A G\next to the question number (

2.1.1

2.1.6\in the ANSWER BOOK. COLUMN A COLUMN B

2.1.6Used for grip ping and supporting a workpiece sed to tighten the jaws of a chuck Supports r ound a workpiece while

2.2how the difference between a tapered and a straight shank drill bit ith th aid of neat, labelled sketches (6\

2.3Give TWO prechecks that must be carried out on a pillar type drilling machine before drilling can take place. (2\

2.4Keys are used to locate gears, pulleys and couplings on a shaft and to prevent movement between them. Draw and label FOUR different types of keys. (8\

2.5Name THREE types of screws that make their own threads. (3\ [25] (6011042\ Copyright reserved Please turn over25

Q3— Section header —

3.1List FIVE turning operati ons that can be performed on a centre l athe (5\

3.2Name each component used on a centre l athe as shown in FIGURE 3 by writing the answer next to the letter

3.3ist FOUR disadvantages of a four jaw chuck. (4\

3.4Explain the difference between manual and automatic feed during turning. (5\

3.5Explain how knurling on a work piece is done on a c entre lathe (6\

Q4— Section header —

4.1State FIVE safety factors to keep in mind while operating a milling m achine. (5\

4.2State the functions of each of the following milling m achine parts

4.2.1Arbor

4.2.2Bracing a rms

4.2.3Table t rips

4.2.4Saddle

4.2.5Spindle (5 1\ (5\ (6011042\

4.3Name the illing cutting tool shown in FIGURE 4 and explain ONE way in which it is used

4.4State the steps to set up a milling machine for a 12 mm d epth cut. Assume that the work piece is secure and

4.5State FOUR factors to take into consideration when monitoring milling machine and the work piece before

Mark Allocation

Total100 marks

Sections25 + 25 + 25 = 75 marks

Paper information

TitleDocument

SubjectFitting And Turning

LevelNCV Level 2

Document typeQuestion paper

Year2020

MonthFebruary

Pages6

Downloads3

Examination context

Decade2020s

Years ago6y

SeasonSummer (SH)

Start daySaturday

Exam periodFebruary 2020

Days since exam2,444

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

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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

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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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