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轮机英语单项选择题每日一练(2019.09.20)

  • 单项选择题

    To obtain maximum efficiency, two stage air compressors are usually ().

    A.horizontally mounted
    B.never fitted with intake filters
    C.fitted with intercoolers
    D.operated in an unloaded condition at all times

  • 单项选择题

    At an unsheltered anchorage the chief engineer officer shall consult with () whether or not to maintain an underway watch.

    A.the engineer officer in charge of watch
    B.the deck officer in charge of watch
    C.the master
    D.the chief mate

  • 单项选择题

    Dress up the ().

    A.keyway
    B.shaft
    C.valve
    D.casing
  • 单项选择题

    When the vessel on the full speed ahead, if full astern immediately () the main engine start astern and fuel injection.

    A.after the thrust power is zero
    B.after the torsion is zero
    C.surpass the critical point on the water turbo phase
    D.after the speed is zero

  • 单项选择题

    Leaky exhaust valve will result in which of the following?()(1) high exhaust temperature;(2) low compression pressure;(3) low firing pressure.

    A.(1) and (2)
    B.(1) only
    C.(2) only
    D.(1),(2) and (3)

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