Koelervakteorie Us N3 — Document

August 2021 — N3 — Koelervakteorie Us

N3 2021 Nated Engineering

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1.1Kies die letter (A E\langs die vraagnommer (

1.1.5\in die ANTWOORDBOEK neer. KOLOM KOLOM

1.1.5itte van kondensasie Latent e hitte van ys itte van fusie itte van verdamping

1.2Voltooi die volgende sin of sinne/paragraaf of paragrawe deur die woord of woorde in die lys hier onder te gebruik en na die grafiek te verwys. Skryf slegs die ontbrekende woorde langs die vraagnommer

1.2.5\in die ANTWOORDBOEK neer. atent e hitte emperatu

1.2.1Die proses wat tussen lyn A en B plaasvind (1\

1.2.2Die proses wat tussen lyn B en C plaasvind (2\

1.2.3Die toestand van die temperatu ur tussen lyn en (1\

1.2.4Die tipe hitte wat verlang word om die temperatuur van die water tussen lyn B en C te verhoog (1\

1.2.5Die tipe hitte wat verlang word om die ys tussen lyn A en B te smelt (1\

1.3Noem EEN basiese termiese wet van koeling (3\

1.4Defin er elk van die volgende

1.4.1Spe sifieke hittekapasiteit

1.4.2Latent e hitte

1.4.320

Q2— Section header —

2.1Noem TWEE wette van termodinamika. (4\

2.2diagram ompressi estelsel wat elk van die volgende aandui ompressor

2.3Noem tussen watter TWEE dele die volgende pype in die koelstelsel gekoppel is

2.3.1Suigpyp

2.3.2Afvoerpyp

2.3.3Vloeistofpyp

2.3.420

3.1dop en buis kondensator. (6\

3.2si linder ompressor wat teen 20 omwentelings per sek

3.3Bestudeer die huishoudelike verkoelingskets in FIGUUR en identifiseer die aangeduide k omponent e deur die antwoorde langs die letter (A I\in die

4.1Verduidelik elk van die volgende terme:

4.1.1Bedryfskontroles

4.1.2

4.2Identif iseer die tipe instrument e hier onder en noem die doel van elk soos dit in koelstelsels gebruik word. Skryf slegs die antwoord langs die vraag nommer (4.2.1

4.2.3

4.3.1filter (3\

4.3.2Word die filter in VRAAG

4.3.1in die vloeistof of gaslyn gekoppel (1\

4.4.1

4.4.2Noem TWEE redes vir die antwoord in VRAAG

4.4.1(2\ [20] VRAAG20

5.1

5.2diagram apa itor aansitk apa itor aangedrewe

5.3Bereken die kapasitansie as twee kap itors van 15 en 30 in serie

5.4

5.4.1Koel ings effek

5.4.2rk gedoen deur kompressor

5.4.3

5.4.4Koelmiddelmassavloeitempo

5.4.5Krag wat verlang word om k ompressor aan te dryf as doeltreffendheid van installasie 80 is (5

Mark Allocation

Total100 marks

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

Paper information

TitleDocument

SubjectKoelervakteorie Us

LevelN3

Document typeQuestion paper

Year2021

MonthAugust

Pages13

Downloads4

Examination context

Decade2020s

Years ago5y

SeasonWinter (SH)

Start daySunday

Exam periodAugust 2021

Days since exam1,897

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