单选题 1分

Among the basic categories of equipment, which of the following are used to convert mechanical into ...

Among the basic categories of equipment, which of the following are used to convert mechanical into hydraulic energy?
  • A. the hydraulic pumps
  • B. hydraulic cylinders
  • C. valves
  • D. hydraulic motors

你可能感兴趣的试题

1 单选题 1分
  • A. governor sensitivity
  • B. exhaust temperature
  • C. fuel injection pressure
  • D. speed of the camshaft
3 单选题 1分
  • A. the hydraulic pumps
  • B. hydraulic cylinders
  • C. valves
  • D. hydraulic motors
5 单选题 1分
  • A. to control the use of organic compound acting as biocides
  • B. to reduce the harmful fouling of the marine organisms
  • C. to deal with the issues around ship recycling
  • D. to resolve the problem of invasive species caused by ballast water