4.2.1 Name the device - NSC Civil Technology Civil Services - Question 6 - 2023 - Paper 1
Question 6
4.2.1 Name the device.
4.2.2 Identify A, B and C.
4.2.3 Explain what will happen to C when A is turned 90°.
4.2.4 What is the valve used for?
FIGURE 4.3 below sh... show full transcript
Worked Solution & Example Answer:4.2.1 Name the device - NSC Civil Technology Civil Services - Question 6 - 2023 - Paper 1
Step 1
Name the device.
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Answer
The device shown in FIGURE 4.2 is a valve.
Step 2
Identify A, B and C.
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Answer
A: Handle of the valve.
B: Valve body.
C: Valve spindle.
Step 3
Explain what will happen to C when A is turned 90°.
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Answer
When A is turned 90°, it will cause C to rotate, allowing or restricting the flow of fluid through the valve, effectively opening or closing it.
Step 4
What is the valve used for?
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Answer
The valve is used for controlling the flow of liquid or gas within a piping system.
Step 5
4.3.1 A non-electrical hand tool that can be used to unclog the sewer.
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Answer
A non-electrical hand tool that can be used to unclog the sewer is a plunger or a plumber's snake.
