Kragmasjiene N5 — Document

April 2021 — N5 — Kragmasjiene

N5 2021 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 41 items found

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Q1— Section header —

1.1Teken en benoem 'n druk teenoor volume grafiek om politrofiese uitsetting te illustreer. (3\

1.2Gee die tweede termodinamikawet. (2\

1.3Voltooi die volgende sin deur die ontbrekende woord of woorde in te vul. Skryf slegs die woord of woorde langs die vraagnommer (1.3.1

1.3.2

1.4Verskeie opsies word as moontlike antwoorde op die volgende vrae verskaf. Kies die antwoord en skryf slegs die letter (A D\ langs die vraagnommer (1.4.1

1.4.3\ in die ANTWOORDBOEK neer.

1.4.1Atmosferiese lug bevat ongeveer ... en ... per volume. 79% N en

1.4.2

1.4.3

Q2— Section header —

2.1Finale volume in m (3\

2.2Massa van 'n gas in kg. (3\

2.3Finale druk in kPa. (3\

2.4Arbeid verrig in kJ. (3\

2.5Verandering in interne energie in kJ. (2\

2.6Hoeveelheid warmte geabsorbeer of vrygestel in kJ. (2\

2.7Die verandering in entropie in kJ/K. (4\ [20]20

Q3— Section header —

3.1Voltooi die ontbrekende waardes in FIGUUR 1: die droogheidsbreuk , P3 in kPa, t ss en bepaal , h

3.2Massa van stoom per kg brandstof verbrand. (1\

3.3Warmte wat na die hitteverhaler oorgedra word in kJ per kg brandstof verbrand. (2\

3.4Spesifiseer die enta pie van nat stoom h en die warmte wat na die verdamper oorgedra word in kJ per kg brandstof wat verbrand is. (5\ Hitte

3.6Rendement van die aanleg. (4\ [20]20

Q4— Section header —

4.1

4.2'n Gasbrandstof beskik oor die volgende volumetriese ontleding: CH = 32% = 40% CO = 20%

4.2.1Die gebalanseerde chemiese vergelyking van die verbrandingsreaksie van elke brandstof, dit is CH ; H en CO. (3\

4.2.2Die totale volume suurstof wat tydens verbranding verbruik is

Q4— Section header —

4.2.3Die volume vir elke verbrandingsproduk van die gasbrandstof. (5\

4.2.4Persentasies van alle verbrandingsprodukte. (2\ [20]20

Q5— Section header —

5.1Slagvolume in m (9\

5.2Krag in kW. (3\

5.3Arbeid verrig in kJ. (3\ [15] (8190035\ Kopiereg voorbehou15

Q6— Section header —

6.1Konstrueer 'n snelheidsdiagram in LANDSKAPFORMA AT. Benoem al die hoeke en die snelheidswaarde in m/s. Gebruik 'n skaal van 1 cm = 50 m/s (10\

6.2Uit die diagram, bepaal:

6.2.1Die inlaathoek van die bewegende lem. (1\ .2.2 Die uitlaathoek uit die turbine. (1\

6.2.3Die krag wat in kW deur die turbine gegenereer word. (3\ [15] TOTAAL: 100 (8190035\15

Mark Allocation

Total100 marks

Sections20 + 20 + 20 + 15 + 15 = 90 marks

Paper information

TitleDocument

SubjectKragmasjiene

LevelN5

Document typeQuestion paper

Year2021

MonthApril

Pages9

Downloads3

Examination context

Decade2020s

Years ago5y

SeasonAutumn (SH)

Start dayThursday

Exam periodApril 2021

Days since exam2,018

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