1.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below - NSC Civil Technology Civil Services - Question 1 - 2021 - Paper 1
Question 1
1.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below. Write only the word/term next to the question numbers (1.1... show full transcript
Worked Solution & Example Answer:1.1 Give ONE word/term for each of the following descriptions by choosing a word/term from the list below - NSC Civil Technology Civil Services - Question 1 - 2021 - Paper 1
Step 1
1.1.1 Available in a water- or oil-based liquid
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Paint
Step 2
1.1.2 Allows concrete to achieve its optimal strength
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Curing
Step 3
1.1.3 Coating a metal by the process of electrolysis
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Electroplating
Step 4
1.1.4 Can be melted again because no chemical process is involved
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Powder coating
Step 5
1.1.5 Adds strength to the original uncoated surface
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Galvanising
Step 6
1.2.1 State TWO materials that the equipment can be manufactured of.
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Wood and Aluminium
Step 7
1.2.2 Deduce from FIGURE 1.2 the safest option to use, A or B. Motivate your answer.
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Option B is safer because the ladder in A has no defects, while the ladder in B is broken or has defects, making it unsuitable for use.
Step 8
1.2.3 Explain the purpose of the equipment in FIGURE 1.2.
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The equipment serves to provide elevation for a worker to reach higher areas safely.
Step 9
1.2.4 How far from a wall should the base of a ladder be placed to ensure that it is positioned safely?
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The base of the ladder should be placed one-quarter of the ladder's height away from the wall, for example, if the ladder is 8 feet tall, it should be placed 2 feet from the wall.
Step 10
1.3.1 Explain what you will determine if you use the laser level in EACH of the following cases:
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(a) When installing a sewerage system for a building, the gradient/slope should be maintained at 1:40.
(b) When laying tiles against a wall, I will look for a level line/reference point from where to start tiling.
Step 11
1.3.2 Explain what will happen if the tripod is not wide enough when setting up the laser level.
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If the tripod base is not wide enough, the laser level may be unstable, leading to potential errors in measurements or it being knocked over.
Step 12
1.4 Explain what will happen if a worker manually lifts excessively heavy loads.
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The worker may injure themselves, such as sustaining a shoulder injury or experiencing fatigue from improperly lifting a load.
Step 13
1.5.1 When should scaffolding be inspected?
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Scaffolding should be inspected before use, once a week, and after adverse weather conditions.
Step 14
1.5.2 Who is responsible for the inspection of the scaffolding?
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A qualified person who is experienced in the erection and maintenance of scaffolds is responsible for the inspection.
Step 15
1.6.1 Identify the joining fixture.
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Bolt
Step 16
1.6.2 Name the part that should be used with the joining fixture.
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Nut/Washers and nut
Step 17
1.6.3 Explain why it is better option to use this joining fixture to join two steel sections.
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Using bolts and nuts ensures a stronger joint as they can be easily secured tightly together, allowing for dismantle without damaging the materials.
