• 2022-06-06
    A ____ is mounted on the lube oil cooler which senses the temperature of the lubricating oil and regulates the flow of either the lubricating oil or the cooling water accordingly.
    A: magnetic switch
    B: regulator
    C: thermostatic valve
    D: expansion valve
  • C

    内容

    • 0

      Lubricating oil system parameters monitored by pilots mainly include A: oil pressure, oil temperature, metal filing, oil capacity B: oil color, oil temperature, dust, oil capacity C: oil pressure, oil temperature, dust, oil capacity

    • 1

      Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?() A: Water discharging from the water outlet of the lube oil purifier B: Fuel oil discharging from the water outlet of the lube oil purifier C: Lube oil discharging from the water outlet of the lube oil purifier D: A change in the lube oil viscosity

    • 2

      The main jobs of the _________ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil D: cooling fan

    • 3

      The main jobs of the _____ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil

    • 4

      Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?()