• 2022-05-27
    What
    can not affect the insulation resistance?____.
    A: moisture
    B: dirt
    C: electricity
    D: oil
    deposits
  • C

    内容

    • 0

      Oil<br/>filters, if regularly serviced, can remove solid contaminants from<br/>crankcase oil, but chemical reactions may form liquids that are<br/>corrosive and damaging. ( )

    • 1

      One function provided by a hydraulic accumulator is to______. A: provide<br/>an area where air can separate from the oil B: provide<br/>an area to separate solid contaminants from the oil C: act<br/>as an oil and water separator D: absorb<br/>shocks occurring in the system

    • 2

      Water-cooled oil coolers can be used in high-pressure applications<br/>such as those found in oil refineries and chemical processing plants.()

    • 3

      In<br/>an auxiliary diesel engine bypass type lubricating oil system, the<br/>main oil pump forces ____. A: all<br/>of the oil used by the engine through a filter B: some<br/>of the oil used by the engine through a filter C: some<br/>of the oil used by the engine through a centrifuge D: all<br/>of the oil used by the engine through a centrifuge

    • 4

      Dirt in the fuel oil system of a diesel engine can cause (). A: clogged filters B: poor combustion C: overloading of the diesel D: shock of fuel line