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Consider the following valves in a water distribution system.
A. Check valve
B. Pressure-reducing valve
C. Air relief valve
D. Scour valve
E. Sluice valve
Which of these works automatically?
  • a)
    A, C and D
  • b)
    B, D and E
  • c)
    C, D and E
  • d)
    A, B and C
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider the following valves in a water distribution system.A. Check ...
Check Valve: These valves are used to check the flow of water in reverse direction. These are generally provided on the delivery side of the pump. These valves work automatically.
Pressure reducing valve:  In hydraulics, a pressure reducing valve serves the same purpose as a "pressure regulator" valve in a compressed air system. It is one of a variety of pressure control valves available for hydraulic circuits. It is always used in a branch circuit and never in the full pump flow line.
Air Relief Valve: it is a type of safety valve used to control or limit the pressure in a system, pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow from an auxiliary passage out of the system.
Scour valve: This valve is used to drain the water out of the pipe system.
Sluice valve: These valves are used to regulate the flow of water in the pipe system by dividing into number of sections.
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Most Upvoted Answer
Consider the following valves in a water distribution system.A. Check ...

Check valve, Air relief valve, and Scour valve are the valves that work automatically in a water distribution system.

Check Valve:
- A check valve is designed to allow flow in one direction only and prevent backflow.
- It operates automatically by opening to allow forward flow and closing to prevent reverse flow.

Air Relief Valve:
- An air relief valve is used to release trapped air from a pipeline to prevent air locks.
- It automatically opens when air accumulates in the pipeline and closes once the air is released.

Scour Valve:
- A scour valve is used to flush out sediment or debris from the pipeline to maintain water quality.
- It is designed to operate automatically to release water at high velocity to clean the pipeline.

Therefore, Check valve, Air relief valve, and Scour valve are the valves that work automatically in a water distribution system.
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Consider the following valves in a water distribution system.A. Check valveB. Pressure-reducing valveC. Air relief valveD. Scour valveE. Sluice valveWhich of these works automatically?a)A, C and Db)B, D and Ec)C, D and Ed)A, B and CCorrect answer is option 'D'. Can you explain this answer?
Question Description
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