Materiale NCV Level 4 — Document

November 2022 — NCV Level 4 — Materiale

NCV Level 4 2022 NCV Engineering

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1.1Verskeie opsies word as moontlike antwoorde op die volgende vrae gegee. Kies die antwoord en skryf slegs die letter (A D\ langs die vraagnommer (

1.1.5\n die ANTWOORDBOEK neer.

1.1.1

1.1.2spanning stadig te beweeg of permanent te vervorm Brandbaarheid Ele

1.1.3

1.1.4

1.1.5hoofsaaklik gebruik word om normale glas te vervang in toepassings waar dit nie veilig sou wees om glas te gebruik nie Ple

1.2Kies EEN term uit die lys hier onder vir elk van die volgende beskrywings en skryf slegs die term langs die vraagnommer (

1.2.5

1.2.1termoplastiek wat van waterstof en koolstofatome gemaak is

1.2.2weerkaatsende veiligheidsgordels, handskoene, matte, ens. te maak

1.2.3Dit bestaan uit waterstof , koolstof en chloriedatome

1.2.5

1.3Verduidelik die volgende terme

1.3.1Lam ellering

1.3.2Foto afbreking (2 2\ (4\

1.4Noem VIER eienskappe van plastiek (4\

1.5Noem TWEE voordele van die gebruik van plastiek (2\ [20] VRAAG 2: ELASTOMER20

2.1Noem DRIE baie belangrike gewenste eienskappe van elastomere (3\

2.2

2.3Verduidelik die betekenis van deurtrekbaarheid (2\ [10] (12010484\10

3.1kontakkleefmiddel warmsmelt kleefmiddel (6\

3.2Noem VYF faktore wat die sterkte van gelymde bindings bepaal (5\

3.3Oppervlakke wat gebind moet word, moet behoorlik voorberei word voordat die kleefmiddel aangewend word Noem VIER belangrike oorwegings voor die aanwending van die binding

4.1Verduidelik die betekenis van die gevaarklassifikasiesimbool H2 behandelde hout verskyn (3\

4.2Noem DRIE toepassings van behandelde hout H2. (3\

4.3Noem DRIE basiese komponente van verf (3\

4.4Ysterhoudende en nieysterhoudende metale word in die boubedryf gebruik Sit VYF stappe uiteen van basiese prosedures wat gevolg moet word wanneer nieysterhoudende metale skoongemaak word (5\

4.5talle voordele in Noem SES (6\ [20] VRAAG 5: WATER20

5.1Skryf aanwysings om stap vir stap te verduidelik hoe om akri

5.2Noem DRIE redes waarom organosila n o silo ksaan gewild is

5.3Name TW EE waterdigtingsprodukte wat vir platdakke in Suid Afrika gebruik word (2\

5.4Defin ieer die term spoumuur cavity wall (2\

5.5voglaag damp proof course in die boubedryf (3\

6.1Noem VIER eienskappe van bitumen as (4\

6.2Noem TWEE voordele van op gegradeerde asfalt (2\

6.3oem TWEE soorte as alt wat algemeen in Suid Afrika gebruik word

6.4Verduidelik bitumen emulsi kortliks (2\ [10]10

7.1Noem TWEE soorte rivet wat in die boubedryf gebruik word 2\

7.2Noem VYF voordele van die gebruik van skroef sluiters hreaded fasteners wanneer strukturele komponente vasgemaak word (5\

7.3bo utlys (3\ [10] TOTA L: 10010

Mark Allocation

Sections20 + 10 + 15 + 20 + 15 + 10 + 10 = 100 marks

Paper information

TitleDocument

SubjectMateriale

LevelNCV Level 4

Document typeQuestion paper

Year2022

MonthNovember

Pages6

Downloads3

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,440

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