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Q: Which one of the following pairs is INCORRECTLY matched?
  • A. Air Valve– to check the water flow in pipes, in the directions
  • B. Check valve– To release the accumulated air in pipelines.
  • C. Scour valve– To drain or empty the pipe line section
  • D. Surge arrestor– Control of water hammer in pipe lines
Correct Answer: Option B -
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Explanations:

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