Meganotegniek N5 — Document

April 2019 — N5 — Meganotegniek

N5 2019 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 5 pages 📝 37 items found

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Q1— Section header —

1.1Noem DRIE soorte ratte wat gebruik word vir reduksieratkaste. (3\

1.2

1.2.1Die spoed van rat B as wiel A v as is en arms D en E teen 120 r/min kloksgewys roteer (11\

1.2.2Die spoed van rat C as wiel A vas is en arms D en E teen 120 r/min kloksgewys roteer (4\ [18]18

Q2— Section header —

2.1Noem VIER voorbeelde van materiale wat deur pypvervoerde rs ( pipe conveyors \vervoer kan word. (4\

2.2n Bakhyser word gebruik om steenkool met n digtheid van 900 kg/m op te tel, teen n spoed van 400 ton/h oor

2.2.1Die volume van elke bak (8\

2.2.2Die nodige krag van die dryfmotor as die koprendement 80% is (5\ [17]17

Q3— Section header —

3.1Noem VIER voordele van kabelsweefbane bo ander vervoermiddele. (4\

3.2n Sweefbaan op n enkelkabelstelsel dra laste van 460 kg op intervalle van 90 m, die span is 90 m en die deursakking met die las in die middel is 2,6 m. Die breeksterkte van die kabel is 600 kN en die spanning moenie 1

3.2.1Die deur snee van die tou van n 6/7 konstruksie (4\

3.2.2Die massa van die tou per meter (2\

3.2.3Die spanning as gevolg van selfgewig (2\

3.2.4Die spanning weens een las (2\

3.2.5Die veiligheidsfaktor (4\ [18]18

Q4— Section header —

4.1Noem V IER spesifikasies van toue. (4\

4.2Die hok van n goederehyser dra n totale las van 1 600 kg. n Tou loop oor

Q5— Section header —

5.1n Lokomotief beweeg tee n 40 km/h op n gelyk spoor en versnel eenvormig om binne 30 s n spoed van 100 km/h te bereik. Bereken:

5.1.1Die aanvanklike en uiteindelike snelheid

5.1.2

5.2n Elektriese trein met n totale massa van 350 ton versnel teen 0,09 m teen helling van 1 in 130. Die rolweerstand is 0,89% van die massa van die trein. Bereken:

5.2.1Die lokomotief se trekkrag wat nodig is om die wrywingsweerstand te oorkom (2\

5.2.2Die lokomotief se trekkrag wat n odig is om swaartekrag te oorkom (2\

5.2.3Die trekkrag van die lokomotief wat nodig is om die trein te laat versnel (2\

5.2.4Die krag wat nodig is teen n snelheid van 64 km/h (4\

5.2.5Die kinetiese energie van die lokomotief teen 6 3 km/h (2\ [16]16

Q6— Section header —

6.1n Vliegwiel het n massa van 1 400 kg en n omwentelingstraal van 820 mm. Bereken die wringkrag wat nodig is om die spoed van

6.2Vliegwiel het n massa van 600 kg en n omwentelingstraal van 830 mm. Bereken die volgende:

6.2.1Die kinetiese energie wat nodig is om die vliegwiel teen n spoed van 95 r/min te laat draai

6.2.2Die eenvormige wringkrag wat nodig is om n v liegwiel vanaf 48 r/min tot 108 r/min te laat versnel

6.2.314

Mark Allocation

Total100 marks

Sections18 + 17 + 18 + 17 + 16 + 14 = 100 marks

Paper information

TitleDocument

SubjectMeganotegniek

LevelN5

Document typeQuestion paper

Year2019

MonthApril

Pages9

Downloads3

Examination context

Decade2010s

Years ago7y

SeasonAutumn (SH)

Start dayMonday

Exam periodApril 2019

Days since exam2,750

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