• 2022-05-31
    The main jobs of the _________ are lubricating, cooling, cleaning and sealing.
    A: radiator
    B: oil filter
    C: engine oil
    D: cooling fan
  • C

    内容

    • 0

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

    • 1

      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

    • 2

      The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures () in much the same way as for the main engine.

    • 3

      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

    • 4

      In a disk-type lubricating oil purifier, ____. A: The purifier driving gears are lubricated by the reclaimed B: Oil as it leaves the bowl all dirt and sludge are automatically discharged with the cooling water C: Sealing water must never be supplied until after oil is fed to unit D: Deterioration of the bowl ring gasket will cause the purifier to lose its water seal