更多“ENG VALVE CLOSED指哪个活门()”相关问题
  • 第1题:

    隔离活门控制电门“VALVE”灯亮说明:()。

    • A、活门关闭
    • B、活门断开
    • C、活门不一致
    • D、引气关断

    正确答案:C

  • 第2题:

    下面关于ENG VALVE CLOSE灯的说法正确的是()

    • A、这是发动机梁活门的指示灯
    • B、活门打开时该灯灭
    • C、活门打开时该灯明亮
    • D、活门打开时该灯暗亮

    正确答案:B

  • 第3题:

    旅客氧气系统中那个活门打开会导致系统工作灯(SYSON)点亮?()

    • A、系统关断活门sys shutoff valve
    • B、主分配关断活门main distribution valve
    • C、通风活门ventilation valve
    • D、人工关断活门manual shutoff valve

    正确答案:A

  • 第4题:

    APU引气电门上“VALVE”灯亮表示:()

    • A、APU引气关断活门关闭
    • B、APU引气关断活门打开
    • C、APU引气关断活门卡阻
    • D、APU引气关断活门的实际位置与指令位置不一致

    正确答案:D

  • 第5题:

    单选题
    In () pump a closed discharge valve will not cause excessive pressure to build up.
    A

    gear

    B

    vane

    C

    screw

    D

    centrifugal


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    In the suction stroke, the crankshaft is rotating clockwise and the piston is moving () the cylinderThe inlet valve is () and a fresh charge of air is being drawn or pushed into the cylinder by the turbocharger.
    A

    up;opened

    B

    down;open

    C

    up;closed

    D

    down;closed


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    Each cylinder has one starting valve which is usually opened by air pressure and closed by ()
    A

    nuts and bolts

    B

    new joints

    C

    spring force

    D

    sealing rings


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?()
    A

    The tank must be gas freed

    B

    The tank must be ballasted

    C

    The tank must be vented to the atmosphere

    D

    The bypass valve must also be closed


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    If a centrifugal pump were continually operated with the discharge valve closed, the ().
    A

    motor controller overload would open

    B

    pump would eventually overheat

    C

    relief valve would continuously cycle open

    D

    motor would overheat


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    One of the consequences in continuing to operate a centrifugal bilge pump with the discharge valve closed, is that the ().
    A

    motor overload will open

    B

    relief valve will open

    C

    pump will overheat

    D

    motor will overheat


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    In its simplest form the pressure reducing valve is opened or closed by () which is balanced by the downstream pressure acting on a diaphragm.
    A

    adjusting a nut

    B

    a pre-tensioned spring

    C

    any spring

    D

    upstream pressure


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    In slow speed two-stroke engines,()the fresh air entering begins when and stops as()
    A

    the inlet port is opened by the up coming piston; the port is closed by the down going

    B

    the inlet valve is opened by the down going piston;the inlet valve is closed

    C

    the inlet port is opened by the down going piston;the port is closed by the up coming

    D

    the inlet valve is opened


    正确答案: A
    解析: 暂无解析

  • 第13题:

    引气交输活门(X BLEED VALVE)共有几个?()

    • A、1
    • B、2
    • C、3
    • D、4

    正确答案:A

  • 第14题:

    对于FMU内部的PRSOV和DUMP VALVE工作的关系是()。

    • A、两个活门同时开
    • B、两个活门同时关闭
    • C、两个活门的工作各自独立没有关系
    • D、两个活门机械连接,一个活门开,另外一个活门关闭

    正确答案:D

  • 第15题:

    ENG VALVE CLOSED灯熄灭,意味着()

    • A、活门开
    • B、活门关
    • C、活门在转换位
    • D、活门故障

    正确答案:A

  • 第16题:

    以下有关ENG VA LVE CLOSED(发动机活门关闭灯)说法不正确的是()

    • A、HPSOV活门位置与指令位置不一致,发动机活门关闭灯明亮
    • B、HPSOV活门位置与指令位置不一致,发动机活门关闭灯不亮
    • C、HPSOV活门关闭时,发动机活门关闭灯暗亮
    • D、HPSOV活门打开时,发动机活门关闭灯不亮

    正确答案:B

  • 第17题:

    单选题
    If a centrifugal bilge pump were continually operated with the discharge valve closed the ().
    A

    motor overload would open

    B

    relief valve would open

    C

    pump would eventually overheat

    D

    motor would overheat


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    In () pumps a closed discharge valve will cause bursting discharge pressure.
    A

    centrifugal

    B

    plunger

    C

    injector

    D

    water


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    The needle valve in the injector () at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.
    A

    will lift

    B

    will be lifted

    C

    will close

    D

    will be closed


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the listed statements is correct concerning the starting of centrifugal pumps?()
    A

    They should always be started with the discharge valve closed

    B

    They should always be started with the discharge valve opened

    C

    A priming pump is always required to flood the impeller suction

    D

    They should always be started with the sealing line valves closed


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?()
    A

    The diameter of a disc is the same as the outer diameter of the pipe

    B

    We can infer that the valve is opened or closed by rotating the spindle

    C

    A butterfly valve comprises a disc and a ring body

    D

    The profile of the butterfly valve is a ring body


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    A centrifugal pump attempting to develop flow against a closed discharge valve has a/an ().
    A

    capacity of 0%

    B

    efficiency of 100%

    C

    internal slippage of 0%

    D

    shut off horsepower rating of 100%


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?()
    A

    Centrifugal

    B

    Gear

    C

    Propeller

    D

    Turbine


    正确答案: A
    解析: 暂无解析