Various options are given as possible answers to the following questions - NSC Civil Technology Civil Services - 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 Civil Services - 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 A Strip. A strip foundation is wide and supports loads over a larger area, making it suitable for weak soils.
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 occurs when the components of concrete separate, negatively affecting the mix's quality.
Step 3
2.1.3 … should be plastered.
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Answer
The correct answer is A Gauged. Gauged plastering ensures a smooth finish and better adherence.
Step 4
2.1.4 … is used to prevent concrete from ding to formwork.
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Answer
The correct answer is B Sanding sealer. It helps in reducing the adhesion of concrete to the formwork.
Step 5
2.1.5 … are used to keep the main bars of the reinforcement of a column together.
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Answer
Stirrups are used to hold the main bars of reinforcement tightly together and provide support against shear forces.
