Fluid Mechanics N5 — Memo

November 2022 — N5 — Fluid Mechanics

N5 2022 Nated Engineering

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Q1— Section header —

1.1.1True

1.1.2False

1.1.3True

1.1.4True

1.1.5False

1.1.6

1.2.1It is the ratio of the density of any fluid sub stance to the density of water.

1.2.2It is the property of a fluid, that will allow any object of low mass or weight to float along its surface due to a force that tends to pull adjacent parts of the fluid surface together. sm

1.3.223 10739,15 1,0 10502,50 LDA mean (2\

1.3.3Fthus dD tas 076,438830 10100 854,710739,15355,0 10100 10502,50 417,3446571

Q2— Section header —

2.1Mechanical press kPa 355,707 12,0 80004 (2\

2.3.2GPa KV KKK airtotal air le 403,1 10821,712 5,2

2.3.3PK play free play free 10504,302 10403,1 6,010355,707 6,0

2.4.1kPa PK air 297,990 355,7074,1 (2\

2.4.2MPa KV KKK airtotal air le 735,27 10056,36 10297,990100

2.4.3PK play free play free 302,15 10735,27 6,010355,707 (2\

Q3— Section header —

3.1.1

3.2.133 10508,1 36,0 2,0 %36 displaced (3\

3.2.2Vm BF dispaced ballon balloon 546,1 10508,11025 (2\

3.2.3/08,369 2,0 546,16 balloon ballon bolloon (2\

3.2.4%714,2 %100 2,0 546,16 2,0 13600546,1 submerged submerged dispaced

3.2.5mm BFF required required dispaced required balloon required balloon

Q4— Section header —

4.1.1It is the imaginary boundary flowing past a particular point within system at a given unit of time.

4.1.3

4.2.1sl main system /853,90 285,2 225,0 (2\

4.2.2/015,5 6010853,90920 tonnes Qm system (3\

4.2.3sl /22,30 5,1 235,5 105,0 (2\

4.2.4sl rinciple of flow p continuity QQQQ indentical indentical indentical /243,20

4.2.5identical identical identical identical 616,73 756,4 410243,20 (2\ [20]20

Q5— Section header —

5.1.1False

5.1.2False

5.1.3True

5.1.4False

5.1.5

5.2.1hH from subs mercury mech 302,2 15,0 tan sm

5.2.3sm vCv tv /452,6 721,696,0 max (2\

5.2.4sm Kvv mean /549,5 452,686,0 max (2\

5.2.5/373,65 60549,5 5,0 mean mean (3\

5.2.6nhr duratio for the shifttime CQQ mean actual 6 538,21651 66092,0373,65 [20]20

Q6— Section header —

6.1The total energy in the system at any two points is assumed to be the same throughout, provided that no energy is neither added to nor removed from the system. (2\

6.2Lamina (viscous\ flow Transition flow Turbulent flow Steady flow Unsteady flow Compressible flow

6.3.1962,991 462,5385,6732066 065,0 0025,04 675,0 0025,04 2,3 0025,04 66,0

6.3.2ZZhf ZZhf hfZ EhE equation energy sBernoulligU io system

6.3.3smv dl pipe pipe pipe system system /1,4 962,9910025,04

6.3.4enance routine houraforl pipe int 24 1175472 243600605,13 1,4065,0 (4\ [20]20

Mark Allocation

Sections20 + 20 + 20 + 20 + 20 + 20 = 120 marks

Key Information

Contact Number0 10100 1050

Paper information

TitleMemo

SubjectFluid Mechanics

LevelN5

Document typeNated Engineering

Year2022

MonthNovember

Pages8

Downloads4

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,441

About Fluid Mechanics 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

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checking answers

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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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Archived on8 September 2026

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