Choose the correct word(s) from those given in brackets - NSC Civil Technology Construction - Question 1 - 2021 - Paper 1
Question 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 casement... show full transcript
Worked Solution & Example Answer: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
The correct term is 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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Answer
The accurate choice is increases the strength of concrete.
Step 3
1.1.3 Electroplating can be applied using (electrodes/electro jacks/electrolysis).
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Answer
The correct term is 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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Answer
The appropriate answer is 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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