6.1 Various options are given as possible answers to the following questions - NSC Civil Technology Construction - Question 6 - 2022 - Paper 1
Question 6
6.1 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 numbers (6.1.1 t... show full transcript
Worked Solution & Example Answer:6.1 Various options are given as possible answers to the following questions - NSC Civil Technology Construction - Question 6 - 2022 - Paper 1
Step 1
6.1.1 Which ONE of the following is a force that can act on a structure?
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Answer
The correct answer is D. All the above-mentioned. Forces such as shear force, compression force, and tensile force can all act on a structure.
Step 2
6.1.2 Reinforcement on a construction drawing is indicated using a code. In the code 9R 16 01 150, the 150 indicates the ...
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Answer
The correct answer is A. Centre-to-centre spacing of the bars. This part of the code specifies the distance between the centers of adjacent reinforcement bars.
Step 3
6.1.3 What does a steel-tube caisson pile use?
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Answer
The correct answer is B. Casing driven into the ground. This method serves to ensure stability while the concrete is poured to form the pile.
Step 4
6.1.4 The drying time for the formation of a suspended concrete floor is ... days.
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Answer
The correct answer is B. 28 days. This is a typical curing period required for concrete to achieve substantial strength.
Step 5
6.1.5 The bars for a 100 mm thick reinforced concrete floor slab should be ...
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Answer
The correct answer is A. 10 mm bars with 112 mm spacing. This specification is necessary for achieving adequate reinforcement in the slab.
