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

时间:2022-10-01 22:59:14 所属题库:船舶电气与船舶安全题库

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