Which of the following is true of regulators?Group of answer choicesAll regulators work on different principles.The regulator reduces the system pressure to the proper lower working pressure.The lower pressure must be allowed to fluctuate over a range of flow rates.All regulators can be safely interchanged for different pressure ranges.
Question
Which of the following is true of regulators?Group of answer choicesAll regulators work on different principles.The regulator reduces the system pressure to the proper lower working pressure.The lower pressure must be allowed to fluctuate over a range of flow rates.All regulators can be safely interchanged for different pressure ranges.
Solution
The statement that is true of regulators is: "The regulator reduces the system pressure to the proper lower working pressure."
Regulators are designed to reduce and control the system pressure to a lower, safe and usable pressure for various applications. They do this by allowing high-pressure fluid from a system to flow into them and then releasing it at a lower pressure.
The other statements are not necessarily true. Not all regulators work on the same principles, as there are different types of regulators designed for different applications and they operate based on different mechanisms. The lower pressure does not have to fluctuate over a range of flow rates, as the purpose of a regulator is to maintain a constant output pressure regardless of changes in the input pressure or flow rate. Lastly, not all regulators can be safely interchanged for different pressure ranges, as they are designed and rated for specific pressure ranges. Using a regulator outside of its rated pressure range can be dangerous and can damage the regulator or the system it is connected to.
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