Mechanotechnics N6 — Document

August 2018 — N6 — Mechanotechnics

N6 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 21 items found

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Q1— Section header —

1.4The time of slippage

1.5The loss of energy during the engagement period [17]17

Q2— Section header —

2.5The normal force between the gears (F (2\

2.6The reactions at the bearings in the vertical plane [18] 819023618

Q3— Section header —

3.1During a punching operation, the ram of the punching machine exerts an average force of 23 tons over a distance of 30 mm. T he mechanical efficiency of the machine is 75 %. The flywheel rotates at 296 r/min before the punching

3.1.1The moment of inertia of the flywheel (5\

3.1.2The power of the motor required if a maximum of 10 punching strokes per minute has to be performed (2\

3.2A brake consists of a flexible band applied on the outside periphery of a brake drum with a diameter of 400 mm to produce the braking action. The angle of contact between the band and the brake drum is 225

Q4— Section header —

Q5— Section header —

5.1The weight of a vehicle is 14 kN. The wheel base is 3 m and the centre of gravity is 650 mm above the road surface. The track width of the vehicle is 1,5 m. The vehicle must negotiate a curve which is banked at 20

5.2Two masses of 14,5 kg and 17,91 kg respectively are firmly attached to a rotating faceplate on a lathe. The 14,5 kg mass is attached at a radius of 91 mm and 17, 91 kg mass at a radius of 101 mm from the

Q6— Section header —

6.4Calculate:

8.4.1The linear velocity of C (3\

8.4.2The angular velocity of link BC in magnitude and direction

8.4.3The centripetal acceleration of B relative to C (2\

8.4.4The centripetal acceleration of B relative to C (2\ [1 TOTAL: 100

Mark Allocation

Total100 marks

Sections17 + 18 + 13 + 16 + 18 = 82 marks

Paper information

TitleDocument

SubjectMechanotechnics

LevelN6

Document typeQuestion paper

Year2018

MonthAugust

Pages9

Downloads4

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,992

About Mechanotechnics 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 size239 KB

Pages9

Archived on8 September 2026

File age45d

ContributorFreeMode

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