Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 1 - 2019 - Paper 1
Question 1
Choose a description from COLUMN B that matches an item in COLUMN A. Write only the letter (A–K) next to the question numbers (1.1.1 to 1.1.8) in the ANSWER BOOK.
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Worked Solution & Example Answer:Choose a description from COLUMN B that matches an item in COLUMN A - NSC Civil Technology Civil Services - Question 1 - 2019 - Paper 1
Step 1
1.1.1 PVA paint
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PVA paint is described as C, which keeps rugs free from oil and grease.
Step 2
1.1.2 Guard rail
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Answer
The guard rail corresponds to A, which is a method of finishing metal exposed to wear and tear conditions.
Step 3
1.1.3 Powder coating
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Powder coating is E, which is used as a means to dispose of waste materials and debris.
Step 4
1.1.4 Builder's hoist
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A builder's hoist matches with G/H, which transports workers, materials, and equipment between ground and upper levels.
Step 5
1.1.5 Ladder
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Answer
A ladder is represented by C, ensuring that fresh concrete hardens properly.
Step 6
1.1.6 Diagonal brace
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The diagonal brace refers to F, which helps prevent people from falling off the scaffolds.
Step 7
1.1.7 Galvanising
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Galvanising is indicated as J, which is zinc coating applied to the base of metal.
Step 8
1.1.8 Chute
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Answer
A chute is described by I, which is used to delay the drying time of paint.
Step 9
1.2 Explain TWO advantages of electroplating.
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Two advantages of electroplating are that it protects metals against corrosion and improves the engineering and mechanical properties of metal.
Step 10
1.3 Name the process when freshly cast concrete is kept moist for a specific period of time.
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The process is called curing.
Step 11
1.4 Explain the purpose of keeping freshly cast concrete moist.
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Keeping freshly cast concrete moist delays or prevents the rapid drying of fresh concrete, ensuring it does not crack and maintains strength.
Step 12
1.5 Describe TWO safety precautions.
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When transporting material, it should be secured firmly and kept at a safe distance from other workers.
Step 13
1.6 Describe ONE safety factor.
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Scaffold planks should be made of a solid wood at least 228 mm wide and 38 mm thick.
Step 14
1.7.1 Identify the tool.
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The tool is a dumpy level.
Step 15
1.7.2 Predict ONE consequence.
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If the instrument is not set level, it will give inaccurate readings.
Step 16
1.8.1 Identify the joining fixture.
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The joining fixture is a plastic plug or rawl plug.
Step 17
1.8.2 Name the fixing agent.
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The fixing agent is a screw.
Step 18
1.8.3 Explain ONE use of this joining fixture.
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This joining fixture is used to secure objects against walls and similar surfaces.
