'n Verlagings in druk het tydens 'n verkoelingstelseldruktoets voorgekom - NSC Mechanical Technology Automotive - Question 8 - 2021 - Paper 1
Question 8
'n Verlagings in druk het tydens 'n verkoelingstelseldruktoets voorgekom. Die tabel hieronder toon moontlike oorsake en regstellende maatreëls. Voltooi die tabel hie... show full transcript
Worked Solution & Example Answer:'n Verlagings in druk het tydens 'n verkoelingstelseldruktoets voorgekom - NSC Mechanical Technology Automotive - Question 8 - 2021 - Paper 1
Step 1
8.1.1 Vervang waterpyp
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Herstel van die lekkende waterpyp deur die waterpomp te vervang, wat die bron van die lekkasie aanspreek.
Step 2
8.1.2 Vervang silinderkop
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Vlakslip die silinderkop en vervang die silinderkapasstuk om die afsluiting te herstel.
Step 3
8.1.3 Vervang uitdyprok
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Vervang die gekorrodde of geroeste uitdyprok van die kernprop om te verseker dat die druk gehandhaaf word.
Step 4
8.1.4 Vervang verkoelerdop
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Vervang die verkoelerdop met 'n gespesifiseerde eenheid om die druk te reguleer.
Step 5
8.2 Funksie van verkoelerdop
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Reguleer die druk in die verkoelerstelsel.
Laat koelmiddel toe om terug te keer na die verkoeler vanaf die uitsettink.
Step 6
8.3.1 Hoë koolstofmonoksied(CO)-lesing
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Te veel brandstof.
Onvoldoende lugverhouding.
Step 7
8.3.2 Hoë stikstofoksied(NO₂)-lesing
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Hoë werkingstemperatuur.
Wanfunksionerende uitlaatgassirkulasieklep.
Step 8
8.3.3 Hoë suurstof(O₂)-lesing
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Arm lug-brandstof-verhouding.
Ontstekingsprobleme.
Step 9
8.4 Veiligheidsvereistes
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Maak seker die loeisteren is en die verwyde druk weer in die plek bly.
Maak die area om die drukdraad skoon voordat jy die stelsel koppeld.
Kontroleer vir leks en leuenvereistes.
Step 10
8.5 Vervaardigersspesifikasies
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Brandstofdruk vir die brandstofpomp.
Brandstofpomp leweringsdruk (na die brandstofpomp).
Brandstofdruk wanneer die enjin lui.
Brandstofdruk teen hoë revolusies.
Step 11
8.6.1 Hoë-spanningsdrade
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Die ontstekingsstelsel sal ontkoppel wees om voorkom of elektrisiteit skok.
Step 12
8.6.2 Versnelklep heeltemal oop
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Om te verseker dat die maksimum leiding die silinder binnekom.
Step 13
8.6.3 Teken die leksings aan
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Vergelyk kenmerke en luister die spesifikasies teenoor die leksings.
