4.1 Kies 'n beskrywing uit KOLOM B wat by 'n item in KOLOM A pas - NSC Civil Technology Construction - Question 4 - 2022 - Paper 1
Question 4
4.1 Kies 'n beskrywing uit KOLOM B wat by 'n item in KOLOM A pas. Skryf slegs die letter (A–L) langs die vraagnommers (4.1.1 tot 4.1.8) in die ANTWOORDEBOEK neer, 4.... show full transcript
Worked Solution & Example Answer:4.1 Kies 'n beskrywing uit KOLOM B wat by 'n item in KOLOM A pas - NSC Civil Technology Construction - Question 4 - 2022 - Paper 1
Step 1
4.1.1 Voordeel van aangemaakte beton/klaarboorte/voorafgegoete beton
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I. Dit bied 'n hoër sterkte-eigenskap as ander betontipes omdat dit beter samengedruk kan word.
Step 2
4.1.2 Nadeel van aangemaakte beton/klaarboorte/voorafgegoete beton
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H. Aflewering- en stortingsvertraging kan die kwaliteit van die beton affekteer.
Step 3
4.1.3 Kraanpomp
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G. Gebruik 'n afstandbeheerde robotagtige arm om beton te plaas.
Step 4
4.1.4 Sakotels
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F. Dit kan gebruik word wanneer 'n hoër vloeibaarheidsvlak benodig word.
Step 5
4.1.5 Ingestorte skakels
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D. Dun lae natuurlike klip.
Step 6
4.1.6 Kusbotsels
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C. Beton het dieselfde digtheid regdeur.
Step 7
4.1.7 Voerpy-pypybetonpompe
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A. Die toets van die druksterkte van beton te bepaal.
Step 8
4.1.8 Hoësterkte-beton
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K. Druksterkte van 30 MPa na 28 dae.
Step 9
4.2 Noem die minimum afstand wat uitgegraafde grond weg van 'n sloot gehou moet word.
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600 mm.
Step 10
4.3 Verduidelik DRIE veiligheidsfaktore wat in ag geneem moet word voordat uitgravings begin.
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'n Bevoegde persoon moet die stabiliteit van die grond evalueer. 2. 'n Veiligheidsplan moet opgestel word om te verseker dat veilige werksomstandighede toegepas word. 3. Uitgravings moet deurentyd onder toesig van 'n bevoegde persoon plaasvind.
Step 11
4.4 Beskryf TWEE eienskappe van staalbekisting.
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Stewig genoeg om die gewig van beton te kan dra sonder om ineen te stort. 2. Sterker as hout en houtprodukte.
Step 12
4.5 Beskryf DRIE metodes wat gebruik kan word om 'n terrein gelyk te maak.
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Opvulling van 'n helling. 2. Wegneem van 'n helling. 3. Uittrek van grond kan gebruik word.
Step 13
4.6 Noem DRIE komponente van bekisting wat gebruik word om uitgrawings te ondersteun.
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Wigs. 2. Bekledingborde. 3. Stutplanke.
Step 14
4.7 Noem EEN eienskap van 'n blokbord wat in bekisting gebruik word.
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Liggewig.
Step 15
4.8.1 Identifiseer die masjien wat in FIGUUR 4.8 getoon word.
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Stamper.
Step 16
4.8.2 Verduidelik veilig hantering rakende jou hande en voete wanneer die masjien gebruik word.
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Moet jou hande/voete naby die bewegende dele plaas nie. 2. Gebruik altyd hande om die masjien te bedryf.
Step 17
4.8.3 Om te verhoed dat die masjien nie/effektief werk nie, stoor die masjien langer as wat dit gebruik is.
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