Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > Which one of the following pairs in not corr...
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Which one of the following pairs in not correctly matched?
- a)Check valve - To check water flow in all directions
- b)Sluice valve - To control flow of water through pipe lines
- c)Air valve - To release the accumulated air
- d)Scour valve - To remove silt in a pipe line
Correct answer is option 'A'. Can you explain this answer?
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Which one of the following pairs in not correctly matched?a)Check val...
Check valve also called non-return valve and it automatically prevent the reversal of flow in a pipe line.
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Which one of the following pairs in not correctly matched?a)Check val...
Explanation:
In water supply systems, various types of valves are used to control the flow of water. Let's analyze each option to identify the correct pair.
a) Check valve - To check water flow in all directions:
A check valve is a type of valve that allows fluid to flow in one direction and prevents backflow in the opposite direction. It is designed to automatically close and prevent reverse flow when the flow direction changes. Therefore, the given pair is correctly matched.
b) Sluice valve - To control flow of water through pipe lines:
A sluice valve, also known as a gate valve, is used to control the flow of water through pipe lines. It is typically used to completely shut off or allow full flow of water. Therefore, the given pair is correctly matched.
c) Air valve - To release the accumulated air:
An air valve is used to release accumulated air from a pipeline. When water flows through a pipeline, air can get trapped and accumulate at high points, causing problems such as reduced flow and increased pressure. Air valves are installed at these high points to release the trapped air and maintain the efficiency of the pipeline. Therefore, the given pair is correctly matched.
d) Scour valve - To remove silt in a pipeline:
A scour valve is used to remove silt or sediment that accumulates in a pipeline. Silt can enter the pipeline through various sources and settle at low points or corners, reducing the flow capacity. Scour valves are installed at specific locations to allow the release of water at high velocity, which helps in removing the accumulated silt and maintaining the flow capacity. Therefore, the given pair is correctly matched.
Conclusion:
After analyzing all the options, we can conclude that the pair (a) Check valve - To check water flow in all directions) is not correctly matched. The correct definition of a check valve is that it allows fluid flow in one direction and prevents backflow in the opposite direction.
In water supply systems, various types of valves are used to control the flow of water. Let's analyze each option to identify the correct pair.
a) Check valve - To check water flow in all directions:
A check valve is a type of valve that allows fluid to flow in one direction and prevents backflow in the opposite direction. It is designed to automatically close and prevent reverse flow when the flow direction changes. Therefore, the given pair is correctly matched.
b) Sluice valve - To control flow of water through pipe lines:
A sluice valve, also known as a gate valve, is used to control the flow of water through pipe lines. It is typically used to completely shut off or allow full flow of water. Therefore, the given pair is correctly matched.
c) Air valve - To release the accumulated air:
An air valve is used to release accumulated air from a pipeline. When water flows through a pipeline, air can get trapped and accumulate at high points, causing problems such as reduced flow and increased pressure. Air valves are installed at these high points to release the trapped air and maintain the efficiency of the pipeline. Therefore, the given pair is correctly matched.
d) Scour valve - To remove silt in a pipeline:
A scour valve is used to remove silt or sediment that accumulates in a pipeline. Silt can enter the pipeline through various sources and settle at low points or corners, reducing the flow capacity. Scour valves are installed at specific locations to allow the release of water at high velocity, which helps in removing the accumulated silt and maintaining the flow capacity. Therefore, the given pair is correctly matched.
Conclusion:
After analyzing all the options, we can conclude that the pair (a) Check valve - To check water flow in all directions) is not correctly matched. The correct definition of a check valve is that it allows fluid flow in one direction and prevents backflow in the opposite direction.
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Which one of the following pairs in not correctly matched?a)Check valve - To check water flow in all directionsb)Sluice valve - To control flow of water through pipe linesc)Air valve - To release the accumulated aird)Scour valve - To remove silt in a pipe lineCorrect answer is option 'A'. Can you explain this answer?
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