Kragmasjiene Us N6 — Document

August 2021 — N6 — Kragmasjiene Us

N6 2021 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 5 pages 📝 34 items found

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1.1Die g amma

1.2Die s pe sifieke hitte kapasiteit teen konstante druk vir die gas

1.3Die i nl aat druk

1.4Die keel druk

1.5Die snelheid van die gas by die spuitstukuitlaat nozzle outlet

1.6

1.7Die drywing in MW van die gas by die spuitstukuitlaat (2\ [20] VRAAG , enkelsilinder20

2.1Bereken die volgende

2.1.1Die remdrywing in kW

2.1.2Die aangegewe drywing in kW (8190046

2.1.3Die meganiese doeltreffendheid

2.1.4Die brandstofdrywing in kW

2.1.5

2.2in kJ/s aan straling afgestaan, te bepaal (5\ [20] VRAAG20

3.1Die ett o drywingsuitset power output van die installasie (10\

3.2Die uitlaattemperatuur xhaust temperature van die hitteruiler en die temperatuur voor verbranding (4\

3.3Die termiese doeltreffendheid van die installasie (3\

3.4Die termiese doeltreffendheid van die installasie as die hitteruiler verwyder sou word (3\ [20] (819004620

4.1Stel snelheidsdiagramme vir die turbine in die AN TWOORDBOEK saam 1 mm = 5 m/s. Toon die lengte van ALLE lynsegmente asook die grootte van ALLE hoeke op die diagramme

4.2Bepaal die volgende uit die snelheidsdiagramme

4.2.1Die ingangshoek na die vaste lemme (1\

4.2.2Die uitgangshoek vanaf die vaste lemme (1\

4.2.3Die snelheid van die gas wat die eerste trap verlaat in m/s (1\

4.2.4Die snelheid van die gas wat die turbine verlaat (1\

4.2.5Die drywing wat in die turbine ontwikkel in MW, massavloeitempo van stoom van 21 kg/s aanvaar word (3\

4.2.6Die iagram doeltreffendheid (3\ [20] VRAAG20

5.1

5.2Die droogheids fraksie van die koelmiddel by die verdamperinlaat (2\

5.3Die spesifieke entropie van die koelmiddel by die verdamperinlaat (2\

5.4

5.5Die volumetriese doeltreffendheid van die k ompressor (4\

5.6Die drywing benodig om die ko mpressor aan te dryf in kW (3\

5.7Die koeleffek efrigerating effect in kJ/s (3\

5.820

Mark Allocation

Total100 marks

Sections20 + 20 + 20 + 20 + 20 = 100 marks

Paper information

TitleDocument

SubjectKragmasjiene Us

LevelN6

Document typeQuestion paper

Year2021

MonthAugust

Pages11

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,896

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Pages11

Archived on8 September 2026

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