Various options are given as possible answers to the following questions - NSC Civil Technology Construction - Question 2 - 2017 - Paper 1
Question 2
Various options are given as possible answers to the following questions. Choose the answer and write only the letter (A–D) next to the question number (2.1.1–2.1.5)... show full transcript
Worked Solution & Example Answer:Various options are given as possible answers to the following questions - NSC Civil Technology Construction - Question 2 - 2017 - Paper 1
Step 1
2.1.1 ______ foundation is used when the soil cannot support ordinary foundations.
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Answer
The correct answer is D: Pile foundation. Pile foundations are deep foundations that transfer the load of a structure to deeper, more stable soil layers, making them suitable for use in areas with poor ground conditions.
Step 2
2.1.2 During transportation of ready-mixed concrete, ______ can take place.
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Answer
The correct answer is B: segregation. Segregation refers to the separation of the components of the concrete mix during transportation, which can lead to variability in the concrete's strength and durability.
Step 3
2.1.3 ______ arches should be plastered.
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Answer
The correct answer is B: Rough. Rough arches are typically plastered to provide a smooth finish and protect the underlying structure.
Step 4
2.1.4 ______ is used to prevent concrete from clinging to formwork.
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Answer
The correct answer is D: Oil. Oil is commonly used as a release agent on formwork to prevent concrete from sticking, allowing for easier removal once the concrete has set.
Step 5
2.1.5 ______ are used to keep the main bars of the reinforcement to a certain setting.
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Answer
The correct answer is A: Spacers. Spacers are used to maintain the required spacing between the reinforcement bars to ensure proper concrete cover and structural integrity.
