轮机英语【二三管】题库

单选题 1分

a casing drain is provided for axial piston and bent axis variable stroke pumps to

  • A.drain off any accumulated water from the pump casing prior to its being started.
  • B.vent off any accumulated air from the system
  • C.prevent damage due to agitation and overheating of oil accumulated in the casing as a result of minor internal leakage.
  • D.assist the complete removal of hydraulic oil from the system prior to opening for major or minor repairs.
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轮机英语【二三管】-题库

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