Mechanical Drawing And Design N5 — Document

August 2018 — N5 — Mechanical Drawing And Design

N5 2018 Nated Engineering

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📋 Document Analysis

🎯 100 marks ⏱️ 4h 📄 5 pages 📝 22 items found 📚 1 topics

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.1Calculate t he efficiency of the joint. (1

1.2Calculate the maximum permissible diameter of the boiler (4\ [16] QUESTION16

2.3The thickness of the fork ends considering only crushing (2

2.4The thickness of the fork eye considering only tearing (2\

2.5The diameter of the pin head (1 [11] 809007511

Q3— Section header —

3.160 mm diameter shaft is connected to a vehicle transmission by means of splined connection . The number of splines

3.1.1The power that can be transmitted based only on the crushing strength of the splines

3.1.2The force required to slide the hub axially, under full load, if t he coefficient of friction is 0, 25

3.2A hollow shaft with diameter ratio of 1:0, transmits 4 500 kW at 300 revolutions per minute. The maximum torque is 12,

3.3Compare the strength of the hollow shaft in QUESTION

3.2with the strength of a solid shaft with the same mass and length and made of the same material. 12 [31]31

Q4— Section header —

4.5The force behind the piston (2\

4.6The force under the crosshead guide (3\

4.7The force in the connecting rod (3\ 8090075 T1080

4.8The shear stress in the crank pin if the outside diameter of the pin is 3 0 mm, the inside diameter is 15 mm, the effective length of the pin is 75 mm and assuming the pin to be in double shear (7\

Q4— Section header —

Q5— Section header —

5.1The inside and outside diameters of the claws if the safe shear stress in the claws is 11,25 MPa (9

5.2The minimum length of a standard rectangular key that can be used for key coupling under the same design conditions if the allowable crushing stress for the key material is 124 MPa (3 [12] TOTAL: 10012

Topics Identified

Drawing

Mark Allocation

Total100 marks

Sections16 + 11 + 31 + 30 + 12 = 100 marks

Paper information

TitleDocument

SubjectMechanical Drawing And Design

LevelN5

Document typeQuestion paper

Year2018

MonthAugust

Pages5

Downloads3

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,994

About Mechanical Drawing And Design 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 size227.2 KB

Pages5

Archived on8 September 2026

File age47d

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