4.1 Identify the water-heating system in FIGURE 4.1 - NSC Civil Technology Civil Services - Question 4 - 2019 - Paper 1
Question 4
4.1 Identify the water-heating system in FIGURE 4.1.
4.1.2 Name the source that is used to heat the water in the system indicated in FIGURE 4.1.
4.1.3 Describe TWO... show full transcript
Worked Solution & Example Answer:4.1 Identify the water-heating system in FIGURE 4.1 - NSC Civil Technology Civil Services - Question 4 - 2019 - Paper 1
Step 1
Identify the water-heating system in FIGURE 4.1.
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Answer
The water-heating system in FIGURE 4.1 is identified as a solar geyser. This system uses solar energy to heat water.
Step 2
Name the source that is used to heat the water in the system indicated in FIGURE 4.1.
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Answer
The source used to heat the water in the system is sunlight, which is captured by the solar panels.
Step 3
Describe TWO disadvantages of using a heat pump in a hot-water system.
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Answer
A disadvantage of using a heat pump is that it relies on electricity, making it costly to operate in regions with high electricity prices.
Another disadvantage is that a heat pump may not work effectively in colder climates, where supplementary heating is necessary.
