1.1 Choose the correct word(s) from those given in brackets - NSC Civil Technology Construction - Question 1 - 2021 - Paper 1
Question 1
1.1 Choose the correct word(s) from those given in brackets. Write only the word(s) next to the question numbers (1.1.1 to 1.1.5) in the ANSWER BOOK, e.g. 1.1.6 case... show full transcript
Worked Solution & Example Answer:1.1 Choose the correct word(s) from those given in brackets - NSC Civil Technology Construction - Question 1 - 2021 - Paper 1
Step 1
1.1.1 (Oil or water-based paint/Silicone/Acid) is used to protect metal against corrosion.
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Answer
Oil or water-based paint
Step 2
1.1.2 Curing (increases the strength of concrete/increases the density of concrete/allows concrete to set faster).
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Increases the strength of concrete
Step 3
1.1.3 Electroplating can be applied using (electrodes/electro jacks/electrolysis).
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Electrolysis
Step 4
1.1.4 Powder coating is the process of applying a layer of (plastic/paint/zinc) to a metal.
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Plastic
Step 5
1.1.5 Galvanising is the process of applying a (zinc/copper/tin) coating to the base of metals.
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Zinc
Step 6
1.2.1 Name the maximum angle of A.
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50/50 degrees
Step 7
1.2.2 How will you ensure the safety of workers when using the treads?
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Ensure stair rails/handrails/railings or balustrades are in place.
Step 8
1.2.3 Explain the purpose of metal pan treads as part of the construction of stairs.
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To keep concrete in position.
Step 9
1.3 Discuss TWO safety precautions that must be adhered to when transporting long ladders.
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Ensure that it does not protrude excessively.
Tie a red or orange flag/warning signs to the end of the ladder.
Step 10
1.4 Name ONE safety equipment that can be positioned above workers to protect them against falling objects.
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