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Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?

  • A.the direct acting relief valve is used for controlling lower flows and pressure
  • B.the pilot operated relief valve is used for controlling higher flows and pressure
  • C.the pilot operated relief valve is used for controlling lower flows and pressure
  • D.the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
试题出自试卷《海船船员考试轮机部三管轮模拟题3(轮机英语)》
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