ANSWER SHEET 4.1 shows two incomplete drawings of an open and a closed non-return valve without the spring and ball in place - NSC Civil Technology Civil Services - Question 4 - 2020 - Paper 1
Question 4
ANSWER SHEET 4.1 shows two incomplete drawings of an open and a closed non-return valve without the spring and ball in place.
Use ANSWER SHEET 4.1 and explain, by m... show full transcript
Worked Solution & Example Answer:ANSWER SHEET 4.1 shows two incomplete drawings of an open and a closed non-return valve without the spring and ball in place - NSC Civil Technology Civil Services - Question 4 - 2020 - Paper 1
Step 1
Identify the device above.
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Answer
The device in the figure is a water meter.
Step 2
Explain the function of this device.
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Answer
The primary function of the water meter is to enable local authorities to calculate the amount of water used by a household.
Step 3
Recommend a solution for the maintenance of this device.
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Answer
Regular maintenance should include checking for leaks, ensuring proper alignment, and verifying the accuracy of the readings to prevent erroneous water usage calculations.
Step 4
Explain the term soil water.
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Answer
Soil water refers to water that has been contaminated by or carries human waste or other pollutants. It can originate from various sources including runoff from domestic areas, which may not be treated before entering the sewer systems.
